Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.20.2
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 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     170,000       2.34             $ 8  
Forfeited     (50,000 )     8.07                  
Outstanding at June 30, 2020     2,865,801     $ 5.02       2.08     $ 8  
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     3,516,532     $ 4.22       7.91     $      -  
Granted     1,933,666       1.73                  
Exercised     -       -               -  
Forfeited/cancelled     (944,353 )     3.31                  
Outstanding at June 30, 2020     4,505,845     $ 3.34       8.32     $ -  
Schedule of option pricing model using weighted average assumptions
    Six Months Ended
June 30,
 
    2020     2019  
Expected term, in years     5.7       5.8  
Expected volatility     82.04 %     71.86 %
Risk-free interest rate     1.00 %     2.48 %
Dividend yield     -       -  
Grant date fair value   $ 1.17     $ 2.72  
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     (45,986 )     3.84  
Nonvested at June 30, 2020     399,757     $ 3.15  
Schedule of stock-based compensation

    Three Months ended
June 30,
    Six Months ended
June 30,
 
    2020     2019     2020     2019  
Research and development   $ 114     $ 160     $ 337     $ 285  
Sales and marketing     44       65       172       128  
General and administrative     495       634       948       1,387  
Total   $ 653     $ 859     $ 1,457     $ 1,800