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Property and Equipment, Net - Property and Equipment - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Property, Plant and Equipment [Abstract] | ||
| Depreciation expense | $ 366,979us-gaap_Depreciation | $ 384,677us-gaap_Depreciation |
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- Definition
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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