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Intangible Assets - Intangible Assets (Detail) (USD $)
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Jun. 30, 2013
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Dec. 31, 2012
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| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Less: accumulated amortization | $ (285,047) | $ (261,928) |
| Intangible assets, net | 583,386 | 573,731 |
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Licensing agreements
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| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Finite-lived intangible assets, gross | 805,225 | 772,230 |
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Patents
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| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Finite-lived intangible assets, gross | $ 63,208 | $ 63,429 |
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- Details
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- Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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