XML 48 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2013
Summary of Significant Accounting Policies  
Schedule of estimated useful life of assets used to compute depreciation using the straight-line method
Asset Description
  Estimated Useful Life

Equipment

   2.5 - 3 years

Furniture and Fixtures

   5

Software

   3

Leasehold improvements

   Shorter of useful life or term of lease
Schedule of deferred product revenue and associated cost of product revenue
  Year ended
December 31,		  
 
   2013   2012  

Deferred product revenue

   $ 537   $ 786  

Deferred cost of product revenue

   $ 476   $ 219  
Schedule of shares used to calculate diluted earnings per share
  Year Ended December 31,  
 
   2013   2012   2011  

Numerator:

                    

Net income (loss)

   $ (30,506 ) $ 3,630   $ (38,785 )

Denominator:

    
 		    
 		    
 		  

Weighted average number of common shares outstanding

     34,471,301     34,217,298     31,257,376  

Effect of dilutive securities:

                    

Stock options

     —     62,481     —  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Dilutive potential common shares

     —     62,481     —  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Shares used in calculating diluted earnings per share

     34,471,301     34,279,779     31,257,376  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
               
Schedule of number of shares of potentially dilutive common stock related to options and warrants that were excluded from the calculation of dilutive shares
 
   Year ended December 31,  
 
   2013   2012   2011  

Options

     6,201,429     5,579,042     3,858,685  

Warrants

     4,086     4,086     4,086  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total

     6,205,515     5,583,128     3,862,771  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​