Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.5.0.2
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity

A summary of the Company’s stock option activity for the nine months ended September 30, 2016 was as follows:

 

    Options     Weighted-Average
Exercise Price 		 
Outstanding at December 31, 2015     112,373     $ 41.53  
Granted     39,354     $ 1.37  
Expired     (13,702 )   $ 24.22  
Outstanding at September 30, 2016     138,025     $ 32.29  
Exercisable at September 30, 2016     94,069     $ 48.26  
Vested and expected to vest at September 30, 2016     136,889     $ 32.79  

Schedule of Black-Scholes-Merton Option Pricing Model

. The following weighted average assumptions were used in the calculation to estimate the fair value of options granted to employees during the nine months ended September 30, 2016 and 2015:

 

    Nine Months Ended September 30  
    2016     2015  
Weighted-average risk-free interest rate     1.63 %     1.64 %
Weighted-average expected life (in years)     6.3       6.3  
Expected dividend yield     0 %     0 %
Weighted-average expected volatility     65 %     48 %

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Total stock-based compensation expense included in the condensed consolidated statements of operations and comprehensive loss was allocated as follows (in thousands):

 

    Three Months Ended September 30,     Nine Months Ended September 30,  
    2016     2015     2016     2015  
Cost of revenue   $ 6     $ 11     $ 13     $ 45  
Research and development     18       8       71       167  
General and administrative     20       46       95       405  
Selling and marketing     1       11       18       163  
Capitalized into inventory     11       20       14       66  
Total stock-based compensation expense   $ 56     $ 96     $ 211     $ 846  

Schedule of Unrecognized Compensation Cost, Nonvested Awards

Unrecognized stock-based compensation at September 30, 2016 was as follows (in thousands):

 

    Unrecognized Stock-
Based Compensation 		    Weighted Average
Remaining Period of
Recognition (in years) 		 
Stock options   $ 313       1.3