Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Computation of Depreciation and Amortization Using Straight Line Method Over Estimated Useful Lives of Assets (Details)

v2.4.0.8
Summary of Significant Accounting Policies - Computation of Depreciation and Amortization Using Straight Line Method Over Estimated Useful Lives of Assets (Details)
3 Months Ended
Mar. 31, 2014
Equipment | Minimum
 
Property Plant And Equipment [Line Items]  
Property Plant And Equipment Useful Life 1 year 6 months
Equipment | Maximum
 
Property Plant And Equipment [Line Items]  
Property Plant And Equipment Useful Life 5 years
Manufacturing equipment and tooling
 
Property Plant And Equipment [Line Items]  
Property Plant And Equipment Useful Life 5 years
Computer equipment and software
 
Property Plant And Equipment [Line Items]  
Property Plant And Equipment Useful Life 3 years
Furniture and equipment | Minimum
 
Property Plant And Equipment [Line Items]  
Property Plant And Equipment Useful Life 3 years
Furniture and equipment | Maximum
 
Property Plant And Equipment [Line Items]  
Property Plant And Equipment Useful Life 5 years
Leasehold improvements
 
Property Plant And Equipment [Line Items]  
Property Plant And Equipment Useful Life Shorter of 3-10 years or life of underlying lease