Debt - Schedule of Maturities of Long-Term Debt (Detail) - USD ($)		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014
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

[1] Represents the initial fair value of the detachable warrants to purchase common stock issued in connection with the term debt, net of amortization.