Stock-Based Compensation, Restricted Stock and Stock Options: (Tables)
|
12 Months Ended |
Mar. 31, 2021 |
|---|
| Share-based Payment Arrangement [Abstract] |
|
| Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] |
| |
|
Years ended March 31, |
|
| |
|
2021 |
|
|
2020 |
|
| Research and development expenses |
|
$ |
2,444,148 |
|
|
$ |
1,759,725 |
|
| Selling, general and administrative expenses |
|
|
11,987,284 |
|
|
|
3,355,964 |
|
| Total stock-based compensation |
|
$ |
14,431,432 |
|
|
$ |
5,115,689 |
|
|
| Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
| |
|
Number of
Shares |
|
|
Weighted
Average
Grant-Date
Fair Value |
|
| Unvested at March 31, 2019 |
|
|
- |
|
|
$ |
- |
|
| Granted |
|
|
2,000,000 |
|
|
$ |
2.46 |
|
| Vested |
|
|
(749,997 |
) |
|
$ |
2.46 |
|
| Unvested at March 31, 2020 |
|
|
1,250,003 |
|
|
$ |
2.46 |
|
| Granted |
|
|
2,371,428 |
|
|
$ |
3.47 |
|
| Canceled |
|
|
(1,310,003 |
) |
|
$ |
2.38 |
|
| Vested |
|
|
(1,533,650 |
) |
|
$ |
2.67 |
|
| Unvested at March 31, 2021 |
|
|
777,778 |
|
|
$ |
5.12 |
|
|
| Share-based Payment Arrangement, Option and Stock Appreciation Rights, Activity [Table Text Block] |
| |
|
Year ended March 31,
2021 |
|
| Dividend yield |
|
|
0% |
|
| Expected price volatility |
|
|
50% |
|
| Risk free interest rate |
|
|
0.16% - 0.94% |
|
| Expected term |
|
|
1-7 years |
|
|
| Share-based Payment Arrangement, Option, Activity [Table Text Block] |
| |
|
Shares Underlying Options |
|
|
Weighted Average Exercise Price |
|
|
Weighted Average Remaining Contractual
Term
(Years) |
|
|
Aggregate Intrinsic Value |
|
| Outstanding at March 31, 2019 |
|
|
1,937,833 |
|
|
$ |
0.54 |
|
|
|
9.2 |
|
|
$ |
3,720,395 |
|
| Outstanding at March 31, 2020 |
|
|
1,937,833 |
|
|
$ |
0.54 |
|
|
|
8.2 |
|
|
$ |
4,243,610 |
|
| Granted |
|
|
8,949,107 |
|
|
$ |
3.23 |
|
|
|
8.4 |
|
|
|
|
|
| Exercised |
|
|
(25,000 |
) |
|
$ |
0.15 |
|
|
|
- |
|
|
|
|
|
| Outstanding at March 31, 2021 |
|
|
10,861,940 |
|
|
$ |
2.73 |
|
|
|
8.0 |
|
|
$ |
17,523,650 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercisable at March 31, 2021 |
|
|
10,382,079 |
|
|
$ |
2.64 |
|
|
|
8.0 |
|
|
$ |
17,361,817 |
|
|
| Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
| |
|
Shares Underlying Warrants |
|
|
Weighted Average Exercise Price |
|
|
Weighted Average Remaining Contractual
Term
(Years) |
|
|
Aggregate Intrinsic Value |
|
| Outstanding at March 31, 2020 |
|
|
1,281,852 |
|
|
$ |
1.91 |
|
|
|
3.0 |
|
|
$ |
- |
|
| Issued |
|
|
3,727,765 |
|
|
$ |
2.95 |
|
|
|
4.7 |
|
|
|
|
|
| Exercised |
|
|
(169,760 |
) |
|
$ |
4.17 |
|
|
|
- |
|
|
|
|
|
| Canceled |
|
|
(956,775 |
) |
|
$ |
1.67 |
|
|
|
- |
|
|
|
|
|
| Outstanding at March 31, 2021 |
|
|
3,883,083 |
|
|
$ |
2.49 |
|
|
|
4.6 |
|
|
$ |
7,763,341 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Exercisable at March 31, 2021 |
|
|
3,267,698 |
|
|
$ |
1.93 |
|
|
|
4.1 |
|
|
$ |
6,320,439 |
|
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| |
|
Year ended |
|
|
| |
|
March 31,
2021 |
|
|
| Expected price volatility |
|
|
50.0 |
% |
|
| Risk free interest rate |
|
|
0.4% - 2.4 |
% |
|
| Expected term |
|
|
5 years |
|
|
|