Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.20.2
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2020
Equity [Abstract]  
Schedule of warrants

    Shares
Underlying
Warrants
    Weighted
Average
Exercise
Price
    Weighted
Average
Remaining
Contractual
Life (years)
    Aggregate
Intrinsic
Value
 
Outstanding and exercisable at December 31, 2019     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 September 30, 2020     17,058,051     $ 1.86       6.04     $  
Schedule of stock option activity

    Shares Underlying Options     Weighted Average Exercise Price     Weighted Average Remaining Contractual Life (years)     Aggregate Intrinsic Value  
Outstanding at December 31, 2019     3,519,769     $ 4.22       7.91     $     -  
Granted     1,933,666       1.73                  
Exercised     -       -               -  
Forfeited/cancelled     (1,000,788 )     3.29                  
Outstanding at September 30, 2020     4,452,647     $ 3.35       8.12     $ -  

Schedule of option pricing model using weighted average assumptions
    Nine Months Ended
September 30,
 
    2020     2019  
Expected term, in years     5.7       5.8  
Expected volatility     82.04 %     78.02 %
Risk-free interest rate     1.00 %     2.34 %
Dividend yield     -       -  
Grant date fair value   $ 1.17     $ 2.64  
Schedule of restricted stock unit awards activity
    Number of Shares     Weighted Average Grant Date Fair Value  
Nonvested at December 31, 2019     185,589     $ 4.71  
Granted     260,154       2.16  
Vested     (76,902 )     3.67  
Nonvested at September 30, 2020     368,841     $ 3.13  
Schedule of stock-based compensation
    Three Months ended
September 30,
    Nine Months ended
September 30,
 
    2020     2019     2020     2019  
Research and development   $ 122     $ 182     $ 459     $ 467  
Sales and marketing     78       93       250       221  
General and administrative     585       455       1,533       1,842  
Total   $ 785     $ 730     $ 2,242     $ 2,530