Quarterly report pursuant to Section 13 or 15(d) 03-31-2016

Stock-Based Compensation (Tables)

v3.4.0.3
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 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 three months ended March 31, 2016 was as follows:

 

    Options     Weighted-Average
Exercise Price
 
Outstanding at December 31, 2015     112,373     $ 41.53  
Granted     23,004     $ 1.69  
Expired     13,702     $ 24.17  
Outstanding at March 31, 2016     121,675     $ 35.95  
Exercisable at March 31, 2016     74,859     $ 60.65  
Vested and expected to vest at March 31, 2016     119,112     $ 36.50  

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 three months ended March 31, 2016 and 2015:

 

    Three Months Ended March 31,  
    2016     2015  
Weighted-average risk-free interest rate     1.86%       1.62%  
Weighted-average expected life (in years)     6.3       6.3  
Expected dividend yield     0%       0%  
Weighted-average expected volatility     65%       46%  

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 March 31,  
    2016     2015  
Cost of revenue   $ 4     $ 29  
Research and development     29       122  
General and administrative     40       328  
Selling and marketing     15       142  
Capitalized into inventory     2       39  
Total stock-based compensation expense   $ 90     $ 660  

Schedule of Unrecognized Compensation Cost, Nonvested Awards

Unrecognized stock-based compensation at March 31, 2016 was as follows (in thousands):

 

    Unrecognized Stock-Based Compensation     Weighted Average Remaining Period of Recognition (in years)  
Stock options   $ 435       1.7