Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Tables)

v3.3.1.900
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of Stock Option Activity

A summary of the Company’s stock option activity for the year ended December 31, 2015 is as follows:

 

    Options     Weighted-Average
Exercise Price
    Weighted-Average
Remaining Contractual Life
(Years)
    Intrinsic Value  
Outstanding at December 31, 2014     92,289     $ 76.95                  
Granted     115,690     $ 13.20                  
Exercised     -       -                  
Forfeited     (70,447 )   $ 41.10                  
Expired     (25,159 )   $ 43.65                  
Outstanding at December 31, 2015     112,373     $ 41.55       7.7     $ -  
Exercisable at December 31, 2015     44,879     $ 83.10       5.5     $ -  
Vested and expected to vest at December 31, 2015     109,996     $ 42.15       7.7     $ -  

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 for the years ended December 31, 2015 and 2014:

 

    December 31,  
    2015     2014  
Weighted-average risk-free interest rate     1.64 %     1.85 %
Weighted-average expected life (in years)     6.30       6.30  
Expected dividend yield     0 %     0 %
Weighted-average expected volatility     48 %     47 %

Summary of Restricted Stock Unit Activity

Restricted stock awards (“RSA”) activity for the year ended December 31, 2015 was as follows:

 

    Number of
Awards
    Weighted-Average
Grant Date
Fair Value
 
Unvested at December 31, 2014     -     $ -  
Granted     18,000     $ 4.80  
Vested     (18,000 )   $ 4.80  
Forfeited     -     $ -  
Unvested at December 31, 2015     -          

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

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

 

    Year Ended December 31,  
    2015     2014  
Cost of revenue   $ 50     $ 317  
Research and development     177       1,318  
General and administrative     514       6,244  
Selling and marketing     170       2,338  
Capitalized into inventory     75       784  
Total stock-based compensation expense   $ 986     $ 11,001  

Schedule of Unrecognized Compensation Cost, Nonvested Awards

Unrecognized stock-based compensation at December 31, 2015 was as follows (in thousands):

 

          Weighted  
          Average  
    Unrecognized     Remaining Period  
    Stock-Based     of Recognition  
    Compensation     (in years)  
Stock options   $ 484       1.9  

Stock-Based Awards Granted To Nonemployees [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Black-Scholes-Merton Option Pricing Model

The following assumptions were used in the Black-Scholes valuation model related to non-employee stock options granted during the year ended December 31, 2014:

 

    December 31, 2014  
Weighted-average risk-free interest rate     2.52 %
Weighted-average expected life (in years)     9.7  
Expected dividend yield     0 %
Weighted-average expected volatility     44 %