Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation, Restricted Stock and Stock Options (Tables)

v3.22.1
Stock-Based Compensation, Restricted Stock and Stock Options (Tables)
3 Months Ended
Mar. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of stock based compensation expenses
    Three months ended
March 31,
 
    2022     2021  
    (Unaudited)     (Unaudited)  
Research and development expenses   $ 55     $ 490  
Selling, general and administrative expenses     1,028       2,976  
Total stock-based compensation   $ 1,083     $ 3,466  

Schedule of stock options
    Shares Underlying
Options
    Weighted Average
Exercise Price
    Weighted Average
Remaining Contractual
 Term (Years)
    Aggregate Intrinsic
Value
 
Outstanding at December 31, 2021     11,135,432     $ 2.85       7.6     $ 13,031  
Canceled     (568,332 )   $ 3.39       -          
Outstanding at March 31, 2022     10,567,100     $ 2.82       7.2       1,903  
                                 
Exercisable at March 31, 2022     9,917,516     $ 2.76       7.1     $ 1,903  

 

Schedule of restricted stock awards
    Number of Shares     Weighted Average
Grant-Date
 Fair Value
 
Unvested at March 31, 2021     1,061,905     $ 4.50  
Granted     1,200,000     $ 1.33  
Vested     (322,222 )   $ 1.24  
Unvested at December 31, 2021     1,939,683     $ 3.08  
Granted     33,332     $ 3.25  
Vested     (1,195,237 )   $ 4.20  
Unvested at March 31, 2022     777,778     $ 1.37  

 

Schedule of warrant activity
    Shares Underlying
Warrants
    Weighted Average
Exercise Price
    Weighted Average
Remaining Contractual
 Term (Years)
    Aggregate Intrinsic
Value
 
Outstanding at December 31, 2021     4,525,177     $ 2.65       4.0     $ 7,088  
Issued     200,000     $ 2.00       5.0          
Outstanding at March 31, 2022     4,725,177     $ 2.62       3.8     $ 2,134  
                                 
Exercisable at March 31, 2022     1,862,661     $ 1.15       3.1     $ 2,134  

 

Schedule of estimated the fair value of the warrants
    Three months ended March 31,  
    2022     2021  
    (Unaudited)     (Unaudited)  
Expected price volatility     103.0 %     50%-103%  
Risk free interest rate     2.2 %     .42%-.81%  
Expected term (years)     5.0       5.0