Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.8.0.1
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     9,364     $ 498.36  
Granted     3,280       16.44  
Expired     (1,142 )     290.64  
Outstanding at September 30, 2016     11,502     $ 387.48  
Exercisable at September 30, 2016     7,839     $ 579.12  
Vested and expected to vest at September 30, 2016     11,407     $ 393.48  

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