Annual report pursuant to Section 13 and 15(d)

Stock Options, Common Stock and Warrants - Share-Based Compensation (Details)

v2.4.0.8
Stock Options, Common Stock and Warrants - Share-Based Compensation (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation expense $ 4,536,000 $ 1,641,000 $ 93,000
Unrecognized employee related stock-based compensation 20,500,000    
Weighted average period for recognition of unrecognized stock-based compensation 3 years 10 days    
Cost of sales
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation expense 0 2,000 7,000
Sales and marketing expenses
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation expense 0 2,000 9,000
Product development
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation expense 0 3,000 43,000
General and administrative
     
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share-based compensation expense $ 4,536,000 $ 1,634,000 $ 34,000