Note 8 – Notes Payable:

Notes payable at December 31, 2020 and March 31, 2020 consist of the following:

Note payable – lease

As of March 31, 2020, the Company owed approximately $53,000 to an employee of the Company, which is recorded in accounts payable in the accompanying condensed balance sheet. The employee paid approximately $53,000 directly to Oregon State University in satisfaction of the Company's lease liability for the period August 2019 – February 2020. On April 10, 2020, the Company entered into a note payable with a principal balance of approximately $53,000, in place of the accounts payable balance. The note matured on May 15, 2020, and default interest was due at a rate of 8% if the Company fails to make an installment payment by the due date. During the nine months ended December 31, 2020, the Company made installment payments timely, and as of December 31, 2020 the notes principal balance was paid in full.

PPP loan

On April 24, 2020, the Company entered into a Promissory Note dated April 24, 2020 (the "PPP Note") with Newtek Corp AVB as the lender (the "Lender"), pursuant to which the Lender agreed to make a loan to the Company under the Paycheck Protection Program (the "PPP Loan") offered by the U.S. Small Business Administration (the "SBA") in a principal amount of $197,200 pursuant to Title 1 of the Coronavirus Aid, Relief and Economic Security Act (the "CARES Act").

The PPP Loan proceeds are available to be used to pay for payroll costs, including salaries, commissions, and similar compensation, group health care benefits, and paid leaves; rent; utilities; and interest on certain other outstanding debt. The Loan is subject to forgiveness to the extent proceeds are used for payroll costs, including payments required to continue group health care benefits, and certain rent, utility, and mortgage interest expenses (collectively, "Qualifying Expenses"), pursuant to the terms and limitations of the PPP. The Company intends to use a significant majority of the Loan amount for Qualifying Expenses. However, no assurance is provided that the Company will obtain forgiveness of the Loan in whole or in part.

The interest rate on the PPP Note is a fixed rate of 1% per annum. To the extent that the amounts owed under the PPP Loan, or a portion of them, are not forgiven, the Company will be required to make principal and interest payments in monthly installments beginning seven months from April 2020. The PPP Note matures in two years.

The PPP Note includes events of default. Upon the occurrence of an event of default, the Lender will have the right to exercise remedies against the Company, including the right to require immediate payment of all amounts due under the PPP Note.

On June 17, 2020, the Company received an Economic Injury Disaster Loan totaling $8,000 from the U.S. Small Business Administration.

Notes Payable

In June 2017, the Company issued notes payable with an aggregate principal balance of $50,000 for an equal amount of proceeds. The notes accrue interest at 15% per annum and were due and payable on January 1, 2018. Upon closing of a sale (or series of related sales) by the Company of its Preferred Stock prior to January 1, 2018, from which the Company receives gross proceeds of not less than $25,000 (excluding the aggregate amount of securities converted into Preferred Stock in connection with such sale), the principal balance of the notes, and all accrued interest thereon, automatically convert into the number of Preferred Stock sold in such offering at a conversion price equal to the lower of: i) 80% of the offering price, or ii) a conversion price determined by dividing $1,000,000 by the then-outstanding fully-diluted common shares outstanding. The notes may also be converted by the holder on or after the maturity date into the number of Series Seed preferred stock of the Company determined by dividing $1,000,000 by the then-outstanding fully-diluted common shares outstanding.

Upon certain defined fundamental transactions, the holder may either i) request conversion of the outstanding principal and accrued interest into the number of common shares of the Company at a conversion price determined by dividing $1,000,000 by the then-outstanding fully-diluted common shares outstanding, or ii) request cash settlement of the accrued interest and 200% of the outstanding principal.

During the quarter ended September 30, 2020, the holders of the notes issued in June 2017, converted the note balances plus accrued interest into 398,010 shares of the Company's common stock. On July 7, 2020, the Company entered into common stock purchase warrants with the note holders and issued 208,000 warrants to purchase shares of the Company's common stock.

Senior Secured Promissory Note

On January 1, 2018, the Company issued a senior secured promissory note with a principal balance of $300,000, for proceeds of $250,000, resulting in an original issue discount of $50,000. The note is secured by the assets of the Company, has a maturity date of July 1, 2018 and may be prepaid at any time prior to the maturity date. The note bears no interest if the principal is repaid in full on or prior to the maturity date. Upon the occurrence of an event of default, the note will bear an annual interest rate of 10%. The discount is being amortized to interest expense over the term of the debt using the effective interest method.

On April 1, 2019, the Company entered into the third amendment which extended the note term to July 1, 2019. On August 27, 2019, the Company entered into the fourth amendment which extended the note term to November 12, 2019. On January 20, 2020, the Company entered into the fifth amendment which extended the note term to April 20, 2020. As consideration for the extension, the Company issued 66,667 shares of its common stock at a fair value of $150,000 or $2.25 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $150,000 loss on extinguishment of debt during the year ended March 31, 2020.

During the nine months ended September 30, 2020, the Company repaid the principal balance of $200,000 and accrued interest of approximately $56,000.

Senior Secured Convertible Note

On March 31, 2018, the Company issued a senior secured convertible notes with a principal balance of $315,000 for proceeds of $265,000, resulting in an original issue discount of $50,000. The notes bear interest at 12% per annum and mature on April 1, 2019. The notes are convertible by the holder at a price per common share equal to the lower of $3,000,000 divided by the number of common share outstanding on the date of conversion ("Fixed Conversion Price") or 67% of the per share price of the Company's first equity financing ("Variable Conversion Price"). Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The note is secured by the Company's intellectual property, including its registered trademarks, patents, and copyrights and any related applications, and all the associated goodwill related to the intellectual property. The notes may be prepaid by the Company, with 15 days' notice, at 125% of unpaid principal and interest, and the holder may exercise its conversion right during the notice period. In the event of default, the notes pay a default rate of 24% per annum, and the holder may put the notes for cash or convert into a variable number of the Company's shares at a 45% discount at 150% of the outstanding principal and accrued interest. The number of shares the holder may receive in either conversions is capped at 4.99% of the number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon conversion of this note held by the holder.

In connection with issuance of the senior secured convertible notes, the Company issued the note holder a common stock purchase warrant with a term of four years, providing the holder with the right to purchase 333,661 shares of the Company's common stock at March 31, 2019. The purchase price of one share of common stock under the warrant shall be 125% of the Fixed Conversion Price of the senior secured convertible notes. The purchase price is subject to downward adjustment for any dilutive issuance, as defined. Additionally, the warrant holder has the option to require the Company to cash settle the warrant, for the Black Scholes value of the remaining unexercised portion of the warrant, upon a fundamental transaction, as defined.

After allocating issuance proceeds to the warrant liability, the effective conversion price of the senior secured convertible notes was below the quoted market price of the Company's common stock. As such, the Company recognized a beneficial conversion feature equal to the intrinsic value of the conversion feature on the issuance date, resulting in an additional discount to the initial carrying value of the senior secured convertible notes of $123,481 with a corresponding credit to additional paid-in capital.

Effective April 12, 2018, the holder transferred 20% of the 12% senior secured promissory note dated March 31, 2018 to a third party.

On April 10, 2019, the Company entered into the first amendment to its senior secured promissory note dated March 31, 2018. The amendment extends the notes maturity date to July 1, 2019, and as consideration for the extension, the Company issued 25,000 shares of its common stock for a fair value of $61,500 or $2.46 per share to the note holders. The Company accounted for the issuance of the shares as a debt modification using the guidance under ASC 470-50, Debt Modifications and Extinguishments, and during the three months ended June 30, 2019, recorded a debt discount of $61,500 related to the issuance of the shares. As of June 30, 2019, the debt discount was fully expensed and is included in the accompanying statement of operations as interest expense.

On August 27, 2019, the Company entered into the second amendment to its senior secured promissory note which extended the note term to October 1, 2019. As consideration for the extension, the Company issued 3,333 shares of its common stock at a fair value of $7,500 or $2.25 per share.

On January 24, 2020, the Company entered into the third amendment to its senior secured promissory note which extended the note term to July 23, 2020. As consideration for the extension, the Company issued 20,000 shares of its common stock at a fair value of $45,000 or $2.25 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $45,000 loss on extinguishment of debt during the year ended March 31, 2020.

On August 24, 2020, the Company entered into the fourth amendment to its senior secured promissory note which extended the note term to October 23, 2020. As consideration for the extension, the Company issued 20,000 shares of its common stock at a fair value of $83,000 or $4.14 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $83,000 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations.

On November 12, 2020, the Company entered into the fifth amendment to its senior secured promissory note which extended the note term to January 23, 2021. As consideration for the extension, the Company issued 20,000 shares of its common stock at a fair value of approximately $84,000 or $4.20 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $84,000 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations.

On January 26, 2021, the Company entered into a conversion and exchange agreement with the holder of the senior secured promissory note and related warrant dated March 31, 2018. (See Note 13).

Financing Agreement

On May 23, 2018, the Company entered into a Financing Agreement to facilitate the growth of the Company and the Company's strategy for public listing by way of the filing of a Registration Statement Form S-1 with the U.S. Securities and Exchange Commission. The financing will consist of Four Investment Units of Senior Secured Notes with a minimum amount of $1.0 million and a maximum of $4.0 million. The lead investor will participate in this offering for a minimum of $500,000. Each Investment Unit will have a minimum amount of $250,000 and consist of a Senior Secured Note. These Notes will be secured by any and all stock held by the Company's management and all assets held by the Company and its subsidiaries.

On May 7, 2020 the Company entered into the first amendment to the Convertible Note Purchase Agreement which increases the aggregate borrowing from $4.0 million to $5.5 million.

Under the Convertible Note Purchase Agreement, the Company has issued convertible notes of approximately $5.3 million. As of the date of this report, the outstanding principal balance related to the Company's convertible notes is approximately $2.5 million. During the nine months ended December 31, 2020, the Company issued convertible notes with a principal balance of $2,081,000 for proceeds of approximately $2,050,000, resulting in an original issue discount of $31,000.

12% Senior Secured Convertible Promissory Notes

On May 31, 2018, July 11, 2018, and July 27, 2018 the Company entered into senior secured convertible promissory notes to its senior secured convertible note issued on March 31, 2018, which provides the Company an additional $274,050 with an OID of $19,050 for net proceeds of $255,000. The notes bear interest at 12% per annum and mature on one year from the issuance date. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are convertible by the holder at a price per common share equal to the lower of $3,000,000 divided by the number of common share outstanding on the date of conversion ("Fixed Conversion Price") or 67% of the per share price of the Company's first equity financing ("Variable Conversion Price"). Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The note is secured by the Company's intellectual property, including its registered trademarks, patents, and copyrights and any related applications, and all the associated goodwill related to the intellectual property. The notes may be prepaid by the Company, with 15 days' notice, at 125% of unpaid principal and interest, and the holder may exercise its conversion right during the notice period. In the event of default, the notes pay a default rate of 24% per annum, and the holder may put the notes for cash or convert into a variable number of the Company's shares at a 45% discount at 150% of the outstanding principal and accrued interest. The number of shares the holder may receive in either conversions is capped at 4.99% of the number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon conversion of this note held by the holder.

In connection with issuance of the senior secured convertible promissory notes, the Company issued the note holder a common stock purchase warrant with a term of four years, providing the holder with the right to purchase 282,997 shares of the Company's common stock. The purchase price of one share of common stock under the warrant shall be 125% of the Fixed Conversion Price of the senior secured convertible promissory notes. The purchase price is subject to downward adjustment for any dilutive issuance, as defined. Additionally, the warrant holder has the option to require the Company to cash settle the warrant, for the Black Scholes value of the remaining unexercised portion of the warrant, upon a fundamental transaction, as defined.

After allocating issuance proceeds to the warrant liability, the effective conversion price of the senior secured convertible promissory notes was below the quoted market price of the Company's common stock. As such, the Company recognized a beneficial conversion feature equal to the intrinsic value of the conversion feature on the issuance date, resulting in an additional discount to the initial carrying value of the senior secured convertible promissory notes of $116,779 with a corresponding credit to additional paid-in capital.

On January 26, 2021, the Company entered into a conversion and exchange agreement with the holder of the senior secured promissory notes and related warrants dated May and July 2018. (See Note 13).

8% Senior Secured Convertible Promissory Notes

On August 13, 2018, November 14, 2018, December 24, 2018 and December 28, 2018, the Company entered into senior secured promissory notes for $1,082,474. The notes have an OID of $102,474 and the company received net proceeds of $980,000. The Company received proceeds of $750,000 related to its August 13, 2018 senior secured promissory note, of which $500,000 was disbursed to the Company and $250,000 was held in an escrow account. As of December 31, 2018, the $250,000 of proceeds held in escrow were disbursed to the Company. The notes bear interest at 8% per annum and the August and December notes mature one year from the issuance date. The November note matures on August 10, 2019 and the maturity date may be extended to August 10, 2020. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are convertible by the holder at a price per common share equal to the lower of $12,000,000 divided by the number of common share outstanding on the date of conversion ("Fixed Conversion Price") or in the event that the Company consummates any financing in which the pre-money valuation of the Company shall be less than $12,000,000 (the "Reduced Valuation"), then, from and after the consummation of such Reduced Valuation Transaction, the price shall be the quotient of 90% of the Reduced Valuation divided by the then-outstanding number of the Company's common stock. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are secured by the Company's intellectual property, including its registered trademarks, patents, and copyrights and any related applications, and all the associated goodwill related to the intellectual property. The notes may be prepaid by the Company, with 15 days' notice, at 125% of unpaid principal and interest, and the holder may exercise its conversion right during the notice period. In the event of default, the notes pay a default rate of 24% per annum, and the holder may put the notes for cash or convert into a variable number of the Company's shares at a 45% discount at 150% of the outstanding principal and accrued interest. The number of shares the holder may receive in either conversions is capped at 4.99% of the number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon conversion of this note held by the holder.

Effective August 13, 2018, the holder transferred 20% of the 12% senior secured promissory notes dated May 31, 2018, July 11, 2018 and July 27, 2018 and 20% of the 8% senior secured promissory note dated August 13, 2018, to a third party.

On August 27, 2019, the Company entered into the first amendment related to its senior secured convertible promissory notes dated May 31, 2018, July 11, 2018, July 27, 2018 and August 13, 2018, which extended the notes term to November 12, 2019. As consideration for the extension, the Company issued 3,333 shares of its common stock at a fair value of $7,500 or $2.25 per share. On November 11, 2019, the Company entered into the second amendment which extended the notes term to January 4, 2020. On January 24, 2020, the Company entered into the third amendment which extended the notes term to July 23, 2020. As consideration for the extension, the Company issued 20,000 shares of its common stock at a fair value of $45,000 or $2.25 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $45,000 loss on extinguishment of debt during the year ended March 31, 2020. On August 24, 2020, the Company entered into the fourth amendment which extended the notes term to October 23, 2020. As consideration for the extension, the Company issued 20,000 shares of its common stock at a fair value of $83,000 or $4.14 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $83,000 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations. On November 12, 2020, the Company entered into the fifth amendment to its senior secured promissory notes which extended the notes term to January 23, 2021. As consideration for the extension, the Company issued 20,000 shares of its common stock at a fair value of approximately $84,000 or $4.20 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $84,000 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations.

On January 26, 2021, the Company entered into a conversion and exchange agreement with the holder of the senior secured promissory note and related warrants dated August 13, 2018. (See details in Note 13).

On August 27, 2019, the Company entered into the first amendment related to its senior secured convertible promissory note dated November 14, 2018, which extended the note term to November 12, 2019. As consideration for the extension, the Company issued 3,333 shares of its common stock at a fair value of $7,500 or $2.25 per share. On November 11, 2019, the Company entered into the second amendment which extended the note term to January 4, 2020. On January 24, 2020, the Company entered into the third amendment which extended the note term to April 23, 2020. As consideration for the extension, the Company issued 5,000 shares of its common stock at a fair value of $11,250 or $2.25 per share. The Company accounted for the issuance of the shares as a debt modification using the guidance under ASC 470-50, Debt Modifications and Extinguishments, and during the year ended March 31, 2020, recorded a debt discount of $11,250 related to the issuance of the shares. On April 23, 2020, the Company entered into the fourth amendment which extended the note term to May 23, 2020. On May 23, 2020, the Company entered into the fifth amendment, which extended the note term to June 23, 2020 and as consideration for the extension, the Company issued 1,667 shares of its common stock at a fair value of $4,550. The Company accounted for the issuance of the shares as a debt modification using the guidance under ASC 470-50, Debt Modifications and Extinguishments, and during the three months ended June 30, 2020, recorded a debt discount of $4,550 related to the issuance of the shares. As of June 30, 2020, the debt discount was nominal. On August 24, 2020, the Company entered into the sixth amendment, which extended the note term to September 2, 2020 and as consideration for the extension, the Company issued 1,667 shares of its common stock at an approximate fair value of $6,900 or $4.14 per share. On September 2, 2020, the Company entered into the seventh amendment, which extended the note term to December 2, 2020 and as consideration for the extension, the Company issued 1,667 shares of its common stock at an approximate fair value of $6,900 or $4.14 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $6,900 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations. On December 1, 2020, the Company entered into the eighth amendment, which extended the note term to January 31, 2021 and as consideration for the extension, the Company issued 1,667 shares of its common stock at an approximate fair value of $7,500 or $4.50 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $7,500 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations.

During the three months ended December 31, 2020, the Company recorded default principal of approximately $51,500, increasing the November 14, 2018 senior secured promissory note's principal balance to approximately $309,000.

On January 28, 2021, the holder of the senior secured promissory note issued on November 14, 2018, converted the notes principal balance of approximately $0.3 million plus accrued interest of $0.1 million into 136,782 shares of the Company's common stock.

On January 24, 2020, the Company entered into the first amendment related to its senior secured convertible promissory note dated December 24, 2018, which extended the note term to April 23, 2020. As consideration for the extension, the Company issued 5,000 shares of its common stock at a fair value of $11,250 or $2.25 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $11,250 loss on extinguishment of debt during the year ended March 31, 2020. On April 23, 2020, the Company entered into the second amendment related to its senior secured convertible promissory note dated December 24, 2018, which extended the note term to October 23, 2020. As consideration for the extension, the Company issued 5,000 shares of its common stock at a fair value of $13,650. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $13,650 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations.

On January 24, 2020, the Company entered into the first amendment related to its senior secured convertible promissory note dated December 28, 2018, which extended the note term to April 23, 2020. As consideration for the extension, the Company issued 1,667 shares of its common stock at a fair value of $3,750 or $2.25 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $3,750 loss on extinguishment of debt during the year ended March 31, 2020. On April 23, 2020, the Company entered into the second amendment related to its senior secured convertible promissory note dated December 28, 2018, which extended the note term to October 23, 2020. As consideration for the extension, the Company issued 1,667 shares of its common stock at a fair value of $4,550. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $4,550 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations.

During the nine months ended December 31, 2020, the holders of the notes issued on December 24, 2018 and December 28, 2018, converted the note principal balances of approximately $52,000 plus accrued interest of $6,000 into 21,296 shares of the Company's common stock.

From January 11, 2019 through March 31, 2019, the Company entered into senior secured promissory notes for net proceeds totaling $521,000, recorded an OID of $46,010 and a principal balance totaling $567,010. The notes bear interest at 8% per annum and mature one year from the issuance date. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are convertible by the holder at a price per common share equal to the lower of $12,000,000 divided by the number of common share outstanding on the date of conversion ("Fixed Conversion Price") or in the event that the Company consummates any financing in which the pre-money valuation of the Company shall be less than $12,000,000 (the "Reduced Valuation"), then, from and after the consummation of such Reduced Valuation Transaction, the price shall be the quotient of 90% of the Reduced Valuation divided by the then-outstanding number of the Company's common stock. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are secured by the Company's intellectual property, including its registered trademarks, patents, and copyrights and any related applications, and all the associated goodwill related to the intellectual property. The notes may be prepaid by the Company, with 15 days' notice, at 125% of unpaid principal and interest, and the holder may exercise its conversion right during the notice period. In the event of default, the notes pay a default rate of 24% per annum, and the holder may put the notes for cash or convert into a variable number of the Company's shares at a 45% discount at 150% of the outstanding principal and accrued interest. The number of shares the holder may receive in either conversions is capped at 4.99% of the number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon conversion of this note held by the holder.

On January 24, 2020, the Company entered into the first amendment related to its senior secured convertible promissory note dated January 11, 2019, which extended the note term to April 23, 2020.

On March 13, 2020, the Company entered into first amendments related to its senior secured convertible promissory notes dated February 15, 2019 through March 27, 2019, which extended the note terms by 180 days from the original maturity dates.

During the nine months ended December 31, 2020, the holders of the notes issued from January 11, 2019 through March 31, 2019, converted the note principal balances of approximately $0.6 million plus accrued interest of $60,000 into 232,037 shares of the Company's common stock.

In connection with issuance of the senior secured promissory notes, the Company issued the note holder a common stock purchase warrant with a term of four years, providing the holder with the right to purchase 346,461 shares of the Company's common stock. The purchase price of one share of common stock under the warrant shall be 125% of the Fixed Conversion Price of the senior secured convertible promissory notes. The purchase price is subject to downward adjustment for any dilutive issuance, as defined. Additionally, the warrant holder has the option to require the Company to cash settle the warrant, for the Black Scholes value of the remaining unexercised portion of the warrant, upon a fundamental transaction, as defined.

After allocating issuance proceeds to the warrant liability, the effective conversion price of the senior secured promissory notes was below the quoted market price of the Company's common stock. As such, the Company recognized a beneficial conversion feature equal to the intrinsic value of the conversion feature on the issuance date, resulting in an additional discount to the initial carrying value of the senior secured promissory notes of $31,392 with a corresponding credit to additional paid-in capital.

From April 2, 2019 through June 10, 2019, the Company entered into convertible promissory notes with a principal balance totaling $639,175. The notes contain an OID totaling $19,175 and the Company received net proceeds of $620,000. The notes bear interest at 8% per annum and mature one year from the issuance date. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are convertible by the holder at a price per common share equal to the lower of $12,000,000 divided by the number of common share outstanding on the date of conversion ("Fixed Conversion Price") or in the event that the Company consummates any financing in which the pre-money valuation of the Company shall be less than $12,000,000 (the "Reduced Valuation"), then, from and after the consummation of such Reduced Valuation Transaction, the price shall be the quotient of 90% of the Reduced Valuation divided by the then-outstanding number of the Company's common stock. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are secured by the Company's intellectual property, including its registered trademarks, patents, and copyrights and any related applications, and all the associated goodwill related to the intellectual property. The notes may be prepaid by the Company, with 15 days' notice, at 125% of unpaid principal and interest, and the holder may exercise its conversion right during the notice period. In the event of default, the notes pay a default rate of 24% per annum, and the holder may put the notes for cash or convert into a variable number of the Company's shares at a 45% discount at 150% of the outstanding principal and accrued interest. The number of shares the holder may receive in either conversions is capped at 4.99% of the number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon conversion of this note held by the holder.

On March 13, 2020, the Company entered into first amendments related to its senior secured convertible promissory notes dated April 2, 2019 through June 10, 2019, which extended the note terms by 180 days from the original maturity dates. On November 12, 2020, the Company entered into its first amendment to its senior secured promissory note dated June 10, 2019 which extended the note term to January 23, 2021. As consideration for the extension, the Company issued 6,667 shares of its common stock at a fair value of approximately $28,000 or $4.20 per share. Under the guidance of ASC 470-50, Debt Modifications and Extinguishments, the Company accounted for the issuance of the shares as a debt extinguishment and recorded a $28,000 loss on extinguishment of debt during the nine months ended December 31, 2020, which is included on the accompanying condensed statement of operations.

During the nine months ended December 31, 2020, the holders of the notes issued in April 2019, converted the note principal balances of approximately $0.5 million plus accrued interest of $51,000 into 217,222 shares of the Company's common stock.

In connection with issuance of the senior secured promissory notes, the Company issued the note holder a common stock purchase warrant with a term of four years, providing the holder with the right to purchase 129,213 shares of the Company's common stock. The purchase price of one share of common stock under the warrant shall be 125% of the Fixed Conversion Price of the senior secured convertible promissory notes. The purchase price is subject to downward adjustment for any dilutive issuance, as defined. Additionally, the warrant holder has the option to require the Company to cash settle the warrant, for the Black Scholes value of the remaining unexercised portion of the warrant, upon a fundamental transaction, as defined.

After allocating issuance proceeds to the warrant liability, the effective conversion price of the senior secured promissory notes was below the quoted market price of the Company's common stock. As such, the Company recognized a beneficial conversion feature equal to the intrinsic value of the conversion feature on the issuance date, resulting in an additional discount to the initial carrying value of the senior secured promissory notes of $27,918 with a corresponding credit to additional paid-in capital.

On January 26, 2021, the Company entered into a conversion and exchange agreement with the holder of the senior secured promissory note and related warrants dated June 10, 2019. (See Note 13).

Convertible Promissory Notes

On January 10, 2020 and March 9, 2020, the Company entered into a convertible promissory notes with a principal balance totaling $360,825. The notes contain an OID totaling $10,825 and the Company received net proceeds of $350,000. The notes bear interest at 8% and 12% per annum, respectively, and mature one year from the issuance date. The notes are convertible by the holder at a price per common share equal to the lower of $12,000,000 divided by the number of common share outstanding on the date of conversion ("Fixed Conversion Price") or in the event that the Company consummates any financing in which the pre-money valuation of the Company shall be less than $12,000,000 (the "Reduced Valuation"), then, from and after the consummation of such Reduced Valuation Transaction, the price shall be the quotient of 90% of the Reduced Valuation divided by the then-outstanding number of the Company's common stock. Interest may be paid in cash or, if certain conditions are met, in shares of the Company, at the Company's discretion. The notes are secured by the Company's intellectual property, including its registered trademarks, patents, and copyrights and any related applications, and all the associated goodwill related to the intellectual property. The notes may be prepaid by the Company, with 15 days' notice, at 125% of unpaid principal and interest, and the holder may exercise its conversion right during the notice period. In the event of default, the notes pay a default rate of 24% per annum, and the holder may put the notes for cash or convert into a variable number of the Company's shares at a 45% discount at 150% of the outstanding principal and accrued interest. The number of shares the holder may receive in either conversions is capped at 4.99% of the number of shares of the common stock outstanding immediately after giving effect to the issuance of shares of common stock issuable upon conversion of this note held by the holder.

In connection with the March 9, 2020, convertible promissory note, the Company issued 33,333 shares of its common stock with a fair value of $75,000. The $75,000 related to the issuance of the shares has been recorded as a debt discount as of the date of issuance and will be amortized over the note term.

During the nine months ended December 31, 2020, the holder of the note issued on March 9, 2020, converted the notes principal balance of approximately $0.3 million plus accrued interest of $31,000 into 106,911 shares of the Company's common stock.

During the nine months ended December 31, 2020, the holder of the note issued on January 10 2020, converted the notes principal balance of approximately $0.1 million plus accrued interest of $8,000 into 41,237 shares of the Company's common stock.

In connection with issuance of the senior secured promissory notes, the Company issued the note holder a common stock purchase warrant with a term of four years, providing the holder with the right to purchase 74,074 shares of the Company's common stock at March 31, 2020. The purchase price of one share of common stock under the warrant shall be 125% of the Fixed Conversion Price of the senior secured convertible promissory notes. The purchase price is subject to downward adjustment for any dilutive issuance, as defined. Additionally, the warrant holder has the option to require the Company to cash settle the warrant, for the Black Scholes value of the remaining unexercised portion of the warrant, upon a fundamental transaction, as defined.

After allocating issuance proceeds to the warrant liability, the effective conversion price of the senior secured promissory notes was below the quoted market price of the Company's common stock. As such, the Company recognized a beneficial conversion feature equal to the intrinsic value of the conversion feature on the issuance date, resulting in an additional discount to the initial carrying value of the senior secured promissory notes of $232,160 with a corresponding credit to additional paid-in capital.

On March 28, 2020, the Company entered into a convertible promissory note with a principal balance of $257,732. The notes contains an OID totaling $7,732, matures on March 29, 2021 and accrues interest at a rate of 12% per annum. The note was not fully executed until April 2, 2020 and the Company received net proceeds of $250,000. In connection with the convertible promissory note, the Company issued 33,333 shares of its common stock with a fair value of $91,000.

From April 29, 2020 through June 3, 2020, the Company entered into convertible promissory notes with a principal balance of approximately $1.8 million. The notes contain an OID of approximately $23,000 and the Company received net proceeds of $1.8 million. The notes bear interest at 12% per annum and mature one year from the issuance date. In connection with the convertible promissory notes, the Company issued 233,333 shares of its common stock with a fair value of $0.6 million.

In connection with issuance of the senior secured promissory notes, the Company issued the note holder a common stock purchase warrant with a term of four years, providing the holder with the right to purchase 431,600 shares of the Company's common stock at June 30, 2020. The purchase price of one share of common stock under the warrant shall be 125% of the Fixed Conversion Price of the senior secured convertible promissory notes. The purchase price is subject to downward adjustment for any dilutive issuance, as defined. Additionally, the warrant holder has the option to require the Company to cash settle the warrant, for the Black Scholes value of the remaining unexercised portion of the warrant, upon a fundamental transaction, as defined.

After allocating issuance proceeds to the warrant liability, the effective conversion price of the senior secured promissory notes was below the quoted market price of the Company's common stock. As such, the Company recognized a beneficial conversion feature equal to the intrinsic value of the conversion feature on the issuance date, resulting in an additional discount to the initial carrying value of the senior secured promissory notes of $618,657 with a corresponding credit to additional paid-in capital.

During the nine months ended December 31, 2020, the holders of notes issued during the period April 2, 2020 through June 3, 2020, converted the notes principal balance of approximately $1.3 million plus accrued interest of $0.2 million into 552,089 shares of the Company's common stock.

On February 10, 2021, the Company entered into a conversion and exchange agreement with the holder of the senior secured promissory note and related warrants dated June 1, 2020. (See Note 13).

On November 13, 2020, the Company entered into a Securities Purchase Agreement with certain institutional and accredited investors to sell to the investors senior convertible notes, convertible into shares of the Company's common stock at a conversion price of $1.25 per share, subject to adjustment. The convertible notes have a maturity of one year, accrue interest at the rate of 7% per year, and are subject to 12.5% original issue discount. In connection with the convertible notes, the Company issued 99,955 warrants to purchase shares of the Company's common stock. The warrants have a five year term, and an exercise price of $1.55 per share, subject to adjustment (See Note 4). The securities were issued in a private placement transaction in reliance upon exemptions from registration under the Securities Act of 1933, as amended, and Regulation D promulgated thereunder, for gross proceeds of approximately $750,000.

On January 28, 2021, the holders of the notes issued on November 13, 2020, converted the notes principal balance and accrued interest of approximately $0.8 million into 211,273 shares of the Company's common stock.

The carrying value of the senior secured convertible notes, as of December 31, 2020 and March 31, 2020, is comprised of the following:

The aggregate discount to the senior secured convertible note will be amortized to interest expense over the term of the note using the effective interest method. As of December 31, 2020, the total accrued interest in connection with the convertible notes was approximately $0.5 million.