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v3.3.1.900

Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 21, 2014 shares | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) customer | Dec. 31, 2014 USD ($) customer | Dec. 31, 2013 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |
Percentage of consolidated revenues held by customer |  |  | 10.00% |  |
Deferred revenue |  |  | $ 648 | $ 1,300 |
Short-term restricted cash |  |  | 2,350 | 4,400 |
Inventory at consigned location |  |  | $ 16,300 | 17,300 |
Revenue growth rate |  |  | 3.00% |  |
Percentage of weighted average cost of capital discount rate |  |  | 13.50% |  |
Goodwill |  | $ 164,300 | $ 164,266 | 0 |
Foreign currency gains |  |  | (1,200) | (1,000) | $ (1,700)
Product shipment costs |  |  | 3,800 | 3,700 | 3,100
Stock-based compensation expense |  |  | $ 100 | $ 1,900 | $ 1,500
Minimum [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property and equipment |  |  | 3 years |  |
Revenue growth rate |  |  | 3.00% |  |
Intangible assets, amortization period |  |  | 1 year |  |
Maximum [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Estimated useful lives of property and equipment |  |  | 7 years |  |
Revenue growth rate |  |  | 13.00% |  |
Intangible assets, amortization period |  |  | 15 years |  |
Sales [Member] | Customer Concentration Risk [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Concentration risk, number of customers | customer |  |  | 0 | 0 |
Deerfield [Member] |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Number of warrants issued | shares | 1,200,000 |  |  |  |

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