Debt - Schedule of Maturities of Long-Term Debt (Detail) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Debt Disclosure [Abstract] | ||||
| 2016 | $ 457,687 | |||
| 2017 | 2,432,904 | |||
| 2018 | 2,119,935 | |||
| Total minimum payments | 5,010,526 | |||
| Less amounts representing interest | (510,526) | |||
| Gross balance of outstanding debt | 4,500,000 | |||
| Less debt discount | [1] | (73,978) | ||
| Less origination costs | (46,911) | |||
| Total carrying value | 4,379,111 | |||
| Less current portion | (146,052) | $ (126,806) | ||
| Long-term debt, net of current portion | $ 4,233,059 | $ 4,196,422 | ||
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