Annual report pursuant to Section 13 and 15(d)

Stock Based Awards (Tables)

v3.8.0.1
Stock Based Awards (Tables)
12 Months Ended
Dec. 31, 2017
Equity [Abstract]  
Summary of Stock Option Transactions

The following table summarizes stock option transactions for the 2007 and 2015 Plans for the year ended December 31, 2017 (amounts in thousands, except per share amounts):

 

    Number of
shares
available
for grant
    Total
options
outstanding
    Weighted
Average
Exercise
Price
    Aggregate
Intrinsic
Value
 
Balance at December 31, 2016     1,612       812     $ 9.00     $ 5,457  
Exercised     -       (57 )     1.41       -  
Granted     -       -       -       -  
Cancelled     44       (44 )     28.87       -  
Balance at December 31, 2017     1,656       711     $ 8.39     $ 1,640  

Schedule of Weighted Average Assumptions Used for Grants

The Black-Scholes option pricing model includes the following weighted average assumptions for grants made during the year ended December 31, 2015:

 

    2015  
Assumptions:        
Risk-free interest rate     1.66 - 2.08
Expected dividend yield     0 %
Expected volatility     78 - 108
Expected terms (in years)     5.00 - 6.50  

Schedule of Common Stock Reserved for Future Issuance

The following table present information concerning common stock available for future issuance (in thousands):

 

    December 31,  
    2017     2016  
             
Stock options issued and outstanding     711       812  
Authorized for future option grants     1,656       1,612  
Convertible notes     124       -  
Warrants outstanding     209       209  
                 
Total     2,700       2,633