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Commitments and Contingencies - Additional Information (Detail) (USD $)
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12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
President and Chief Executive Officer [Member]
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Dec. 31, 2013
Viaimport Litigation [Member]
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Jul. 12, 2012
Viaimport Litigation [Member]
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Aug. 31, 2012
Viaimport Litigation [Member]
Purchase Obligations [Member]
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Dec. 31, 2013
Steelhead Litigation [Member]
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Dec. 31, 2013
Wyncomm Litigation [Member]
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Dec. 31, 2013
Blue Spike Litigation [Member]
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| Loss Contingencies [Line Items] | ||||||||||
| Lease expiration term | Sep. 30, 2017 | |||||||||
| Future minimum payments under operating lease agreements | $ 737,000 | |||||||||
| Rent expense | 301,000 | 385,000 | 406,000 | |||||||
| Lawsuit filing date | May 22, 2012 | Jan. 14, 2013 | Apr. 12, 2013 | Oct. 08, 2013 | ||||||
| Damages claimed by customer for breach of contract | 1,000,000 | |||||||||
| Non-payment of purchase obligation and other damages | 288,559 | |||||||||
| Eligibility for 401(k) retirement savings plan | 90 days | |||||||||
| 401(k) retirement savings plan matching contributions | 0 | |||||||||
| Employment agreement start date | 2012-04 | |||||||||
| Employment agreement expiry date | 2016-04 | |||||||||
| Annual salary under agreement | $ 365,000 | |||||||||
| Agreement termination condition | 30 days | |||||||||
| Minimum salary period to determine company's obligation under condition | 18 months | |||||||||
| Minimum percentage of salary payable to determine company's obligation | 50.00% | |||||||||