Annual report pursuant to Section 13 and 15(d)

Share-based compensation (Tables)

v3.22.1
Share-based compensation (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Warrants

A summary of the Company’s warrants to purchase common stock activity is as follows:

 

    Shares Underlying Warrants     Weighted Average Exercise Price     Weighted Average Remaining Contractual Life (years)     Aggregate Intrinsic Value  
Outstanding at January 1, 2020     2,745,801     $ 5.24       2.58     $  -  
Granted     14,437,250       1.25                  
Exercised     (50,000 )     1.17             $ *  
Forfeited     (75,000 )     8.71                  
Outstanding at December 31, 2020     17,058,051       1.86       5.78     $ -  
Granted     6,530,969       2.07                  
Exercised     (14,267,250 )     1.24             $ -  
Forfeited     (915,154 )     5.00                          
Outstanding at December 31, 2021     8,406,616     $ 2.74       3.40     $ -  

 

* represents amount less than $1,000
Schedule of Stock Option Activity

A summary of the Company’s stock option activity is as follows:

 

    Shares Underlying Options     Weighted Average Exercise Price     Weighted Average Remaining Contractual Life (years)     Aggregate Intrinsic Value  
Outstanding at January 1, 2020     3,519,769     $ 4.22       7.91     $  -  
Granted     2,650,666       1.46                  
Forfeited     (1,141,316 )     3.17                  
Outstanding at December 31, 2020     5,029,119       3.00       7.96             -  
Granted     1,293,500       1.64                  
Forfeited     (170,057 )     3.43                  
Outstanding at December 31, 2021     6,152,562     $ 2.71       7.45     $ -  
Schedule of Option Pricing Model Using Weighted Average Assumptions

The options granted during the years ended December 31, 2021 and 2020 were valued using the Black-Scholes option pricing model using the following weighted average assumptions:

 

    For the year ended December 31,  
    2021     2020  
Expected term, in years     5.8       5.6  
Expected volatility     106.24 %     82.70 %
Risk-free interest rate     0.77 %     0.86 %
Dividend yield     -       -  
Schedule of Restricted Stock Unit Awards Activity

A summary of the Company’s restricted stock unit awards activity is as follows:

 

    Number of Shares     Aggregate
Weighted Average Grant Date Fair Value		  
Nonvested at January 1, 2020     185,589     $ 4.71  
Granted     260,154       2.16  
Vested     (107,818 )     3.59  
Nonvested at December 31, 2020     337,925     $ 3.10  
Granted     426,000       1.71  
Vested     (261,412 )     2.42  
Nonvested at December 31, 2021     502,513     $ 2.24  
Schedule of Stock-based Compensation

The following table sets forth total non-cash share-based compensation for the issuance of common stock, options to purchase common stock, warrants to purchase common stock, and restricted stock unit awards by operating statement classification for the years ended December 31, 2021 and 2020:

 

    2021     2020  
       
    December 31,  
    2021     2020  
Research and development   $ 575     $ 588  
Sales and marketing     353       340  
General and administrative     2,544       1,977  
Total   $ 3,472     $ 2,905