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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
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1 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | |||||||
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Mar. 31, 2014
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Mar. 31, 2014
Vendor
Segment
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Mar. 31, 2013
Segment
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Dec. 31, 2013
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Dec. 31, 2012
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Mar. 31, 2013
Revenue
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Mar. 31, 2014
Level 1
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Dec. 31, 2013
Level 1
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Apr. 30, 2014
Subsequent Event
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Apr. 30, 2014
Subsequent Event
Tranche B loan
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Apr. 30, 2014
Subsequent Event
Tranche A loan
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Mar. 31, 2014
Minimum
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Mar. 31, 2014
Maximum
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Dec. 31, 2013
Issuance of Equity
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Mar. 31, 2014
Supplier One
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| Summary Of Significant Accounting Policies [Line Items] | |||||||||||||||
| Number of reportable segments | 2 | 2 | |||||||||||||
| Cash and cash equivalents | $ 1,008,000 | $ 1,008,000 | $ 5,960,000 | $ 1,757,000 | $ 4,434,000 | ||||||||||
| Cash flow from operations | (3,943,000) | (5,009,000) | |||||||||||||
| Cash paid for acquisition related costs | 100,000 | 800,000 | 3,500,000 | ||||||||||||
| Cash flow from operations | 8,100,000 | ||||||||||||||
| Cash proceeds from issuance of convertible preferred stock | 10,000,000 | ||||||||||||||
| Cash proceeds from issuance of common stock | (32,000) | 4,822,000 | 5,000,000 | ||||||||||||
| Cash borrowed under a receivable financing facility | 900,000 | ||||||||||||||
| Proceeds from related party debt | 3,500,000 | 11,800,000 | 10,800,000 | 1,000,000 | |||||||||||
| Working capital excluding cash and cash equivalent | (1,900,000) | (1,900,000) | (3,500,000) | ||||||||||||
| Unamortized licensing fees Period | 3 years | 10 years | |||||||||||||
| Cash equivalents at fair value | 1,008,000 | 1,757,000 | |||||||||||||
| Maturity of temporary cash investments | 3 months | ||||||||||||||
| Provision for income taxes | $ 29,000 | $ 0 | |||||||||||||
| Anti-dilutive shares | 22,066,054 | 24,389,401 | |||||||||||||
| Percentage of risk concentration | 72.00% | 16.00% | |||||||||||||
| Number of major Suppliers | 1 | ||||||||||||||