Long Term Debt - Additional Information (Detail) (USD $)
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0 Months Ended | 9 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | |||||||||||||||
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Apr. 30, 2014
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Sep. 30, 2014
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Apr. 30, 2014
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Dec. 31, 2013
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Sep. 30, 2014
Warrants [Member]
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Sep. 30, 2014
2013 [Member]
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Sep. 30, 2014
2014 [Member]
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Sep. 30, 2014
2015 [Member]
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Sep. 30, 2014
2016 [Member]
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Sep. 30, 2014
2017 [Member]
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Apr. 30, 2014
Revenue Purchase Agreement [Member]
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Mar. 31, 2014
Revenue Purchase Agreement [Member]
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Dec. 31, 2011
Deerfield Agreement [Member]
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Oct. 29, 2014
Deerfield Agreement [Member]
December 2014 [Member]
Subsequent Event [Member]
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Apr. 30, 2014
Revenue Purchase Agreement [Member]
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Sep. 30, 2014
Facility Agreement [Member]
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Sep. 30, 2014
Facility Agreement [Member]
December 2014 [Member]
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Sep. 30, 2014
Facility Agreement [Member]
December 2015 [Member]
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Sep. 30, 2014
Facility Agreement [Member]
December 2016 [Member]
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Sep. 30, 2014
Facility Agreement [Member]
December 2017 [Member]
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Financing Arrangements [Line Items] | ||||||||||||||||||||
Amount provided in funding to company | $ 15,000,000 | |||||||||||||||||||
Repayment of debt | 3,750,000 | 3,750,000 | 3,750,000 | 7,500,000 | ||||||||||||||||
Long term debt maturities repayment terms | December 2014 | December 2015 | December 2016 | |||||||||||||||||
Extended final repayment of debt | 3,750,000 | 3,750,000 | ||||||||||||||||||
Interest on facility agreement | 5.75% | 5.75% | ||||||||||||||||||
Percentage of revenue under condition one | 4.25% | |||||||||||||||||||
Percentage of revenue under condition two due in year one and two | 2.75% | 2.75% | ||||||||||||||||||
Percentage of revenue under condition three due in year three and four | 2.25% | 2.25% | 2.25% | |||||||||||||||||
Percentage of revenue under condition four | 1.00% | |||||||||||||||||||
Amount of revenue under condition one | 25 and Less | |||||||||||||||||||
Amount of revenue under condition two | 25 to 50 | |||||||||||||||||||
Amount of revenue under condition three | 50 and Above | |||||||||||||||||||
Number of common stock shares issued | 450,000 | 550,000 | ||||||||||||||||||
Exercise price of warrants | $ 3.50 | |||||||||||||||||||
Payment for termination of agreement | 4,100,000 | |||||||||||||||||||
Aggregate purchase price of warrants | 1,575,000 | |||||||||||||||||||
Common stock issued | 15,702,075 | 450,000 | 11,084,119 | |||||||||||||||||
Cancellation of warrants to purchase number of additional shares of common stock | 100,000 | |||||||||||||||||||
Additional interest obligations | $ 0 |