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Commitments and Contingencies - Additional Information (Detail)
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0 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 23, 2014
USD ($)
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Dec. 23, 2014
EUR (€)
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Dec. 31, 2014
USD ($)
Sublease
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Dec. 31, 2013
USD ($)
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Dec. 31, 2014
License Agreement [Member]
IBA GmbH [Member]
USD ($)
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Dec. 31, 2014
License Agreement [Member]
TUM [Member]
USD ($)
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Dec. 31, 2014
Out License Fee [Member]
USD ($)
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Dec. 31, 2014
Out License Fee [Member]
EUR (€)
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Dec. 31, 2014
General and Administrative [Member]
USD ($)
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Dec. 31, 2013
General and Administrative [Member]
USD ($)
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Dec. 31, 2014
Research and Development [Member]
USD ($)
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Dec. 31, 2013
Research and Development [Member]
USD ($)
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Dec. 31, 2014
TUM [Member]
USD ($)
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Dec. 31, 2013
TUM [Member]
USD ($)
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Dec. 31, 2014
TUM [Member]
Out License Fee [Member]
USD ($)
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Dec. 31, 2014
TUM [Member]
Out License Fee [Member]
EUR (€)
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| Loss Contingencies [Line Items] | ||||||||||||||||
| Annual license payment | $ 36,303 | $ 60,505 | $ 66,461 | $ 66,390 | ||||||||||||
| Agreement expiration date | 2024 | 2027 | ||||||||||||||
| Notification period | 8 months | |||||||||||||||
| Rent expense | 268,621 | 289,991 | 72,600 | 72,498 | 217,799 | 217,493 | ||||||||||
| Number of sub lease agreements | 6 | |||||||||||||||
| Out-License Fee amount | 300,000 | 300,000 | 3,000,000 | 2,500,000 | ||||||||||||
| Amount of loss contingency liability | 327,937 | 373,059 | ||||||||||||||
| Counterclaim amount filed | $ 3,060,827 | € 2,529,400 | ||||||||||||||