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Other Current Assets - Summary of Other Current Assets (Detail) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
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Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |  |
Prepaid expenses | $ 1,025,083 | $ 772,660
Deposits | 55,281 | 101,455
Total other current assets | $ 1,080,364 | $ 874,115

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