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)

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Summary of Significant Accounting Policies - Computation of Depreciation and Amortization Using Straight Line Method Over Estimated Useful Lives of Assets (Details)
9 Months Ended
Sep. 30, 2015
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