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Subsequent Event - Additional Information (Detail) (USD $)
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0 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended | 1 Months Ended | |||||
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Feb. 10, 2014
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Jun. 30, 2014
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Dec. 31, 2013
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Jun. 30, 2014
Warrants
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Jun. 30, 2014
Warrants
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Jul. 28, 2014
Subsequent Event
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Jul. 22, 2014
Subsequent Event
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Jul. 18, 2014
Subsequent Event
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Jul. 13, 2014
Subsequent Event
Mr. Nugent
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Jul. 22, 2014
Subsequent Event
July 2014 Private Placement
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Jul. 31, 2014
Subsequent Event
Warrants
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| Subsequent Event [Line Items] | |||||||||||
| Payments under revolving lines of credit | $ 2,900,000 | ||||||||||
| Retirement of Treasury Stock | 1,963,500 | ||||||||||
| Terminated performance - based shares | 550,000 | 550,000 | 60,000 | ||||||||
| Common stock, shares issued | 39,600,000 | 37,336,000 | 6,250,000 | ||||||||
| Common stock issued, price per share | $ 2.57 | $ 1.92 | $ 1.92 | ||||||||
| Proceeds from equity offering, gross | 12,000,000 | ||||||||||
| Payments of stock issuance costs | 200,000 | 300,000 | 300,000 | ||||||||
| Proceeds from equity offering, net of expenses | 4,793,000 | 11,700,000 | 11,700,000 | ||||||||
| Annual Salary under compensation | $ 300,000 | ||||||||||
| Non- qualified stock option under compensation | 172,282 | ||||||||||
| Stock option granted exercise price | $ 2.03 | $ 1.98 | |||||||||
| Granted | 0 | 37,879 | |||||||||
| Compensation arrangement, shares granted description | One-sixth of the stock options and one-sixth of the RSUs vested immediately, with the remaining five-sixths vesting ratably on a monthly basis over a twelve-month period ending on July 13, 2015, subject to Mr. Nugent’s continued service with the Company through the applicable vesting dates. | ||||||||||