Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Tables)

v3.7.0.1
STOCK BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock option activity

The schedule of maturities at March 31, 2017 and December 31, 2016 is as follows (in thousands): 

 

    1 Year or Less  
    March 31,
2017		     December 31, 2016  
U.S. treasury bonds   $ 1,500     $ 2,752  
U.S. agency bonds     -       1,254  
Certificates of deposit     980       3,174  
Total   $ 2,480     $ 7,180  
Schedule of fair value assumptions of stock option

The assumptions used in the valuation of stock options granted during the three months ended March 31, 2017 and 2016 were as follows:

 

    Three Months Ended 
March 31, 2017		     Three Months Ended 
March 31, 2016		  
Risk-free interest rate     1.99% to 2.29 %
     0.85% to 1.86 %
Expected term of option     5.00 to 7.91 years       6.00 to 9.06 years  
Expected stock price volatility     76.61% to 76.77 %     76.41% to 81.59 %
Expected dividend yield   $ 0.0     $ 0.0
Schedule of restricted stock activity

The following table summarizes the restricted stock activity for the three months ended March 31, 2017:

 

Restricted stock units as of January 1, 2017     11,250  
Granted     -  
Forfeited     -  
Vested     (5,625 )
Unvested restricted stock units as of March 31, 2017     5,625