Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Tables)

v3.19.3
Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2019
Equity [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 and exercisable at December 31, 2018     2,629,468     $ 5.24       3.58     $       -  
Granted     135,000       5.75                  
Expired     (25,000 )     7.39                  
Outstanding at September 30, 2019     2,739,468     $ 5.25       2.83     $ -  
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 December 31, 2018     2,520,101     $ 4.32       8.72     $          -  
Granted     1,242,144       4.02                  
Exercised     (416 )     3.78               *  
Forfeited/cancelled     (189,632 )     4.38                  
Outstanding at September 30, 2019     3,572,197     $ 4.22       8.50     $ -  

  

  * represents amount less than $1,000
Schedule of option pricing model using weighted average assumptions

The options granted during the nine months ended September 30, 2019 and 2018 were valued using the Black-Scholes option pricing model using the following weighted average assumptions:

  

    For the nine months ended
September 30,
 
    2019     2018  
Expected term, in years     5.8       5.7  
Expected volatility     78.02 %     68.12 %
Risk-free interest rate     2.34       2.76 %
Dividend yield     -       -  
Grant date fair value   $ 2.64     $ 3.07  
Schedule of restricted stock unit awards activity

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

   

    Number of Shares     Weighted Average Grant Date Fair Value  
Nonvested at December 31, 2018     165,000     $ 810  
Granted     76,112       329  
Vested     (40,453 )     (193 )
Nonvested at September 30, 2019     200,659     $ 946  
Schedule of stock-based compensation

The following table sets forth total non-cash stock-based compensation for the issuance of common stock, options to purchase common stock, warrants to purchase common stock, and restricted stock unit award by operating statement classification for the three and nine months ended September 30, 2019 and 2018:

  

    Three Months ended September 30,     Nine Months ended September 30,  
    2019     2018     2019     2018  
Research and development   $ 182     $ 32     $ 467     $ 135  
Sales and marketing     93       58       221       97  
General and administrative     455       572       1,842       1,503  
Total(1)(2)   $ 730     $ 662     $ 2,530     $ 1,735  

  

(1) As of September 30, 2019 and December 31, 2018, the Company recorded a prepaid expense in the amount of $0 and $344, respectively, for the value of vested warrants for future services to be rendered.
(2) As of September 30, 2019 and December 31, 2018, the Company recorded a warrant to be issued liability in the amount of $5 and $22, respectively, for the value of warrants to be issued for services provided.