Debt Instruments - Additional Information (Detail) (USD $)	3 Months Ended	1 Months Ended
	Mar. 31, 2015	Dec. 23, 2014	May 17, 2013
Debt Instrument [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			32,786,885
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 0.2745
Debt Instrument, Unamortized Discount	$ 326,950
Interest Paid	112,500
Paid-in-Kind Interest	23,354
Venture Loan [Member]
Debt Instrument [Line Items]
Proceeds from Issuance of Long-term Debt		5,000,000
Debt Instrument, Description of Variable Rate Basis		The loan bears interest at a floating rate equal to the One Month LIBOR Rate (with a floor of 0.50%) plus 8.50%. In the event that the One Month LIBOR Rate, as reported in the Wall Street Journal, exceeds 0.50%, the interest rate will be adjusted by an amount equal to the difference between such rates at the end of that particular month
Debt Instrument, Interest Rate, Stated Percentage	9.00%	9.00%
Debt Instrument, Payment Terms		The loan is to be repaid in forty-five (45) monthly payments consisting of fifteen (15) monthly payments of only interest followed by thirty (30) equal monthly payments of principal and interest. In addition, at the end of the repayment term (or at early termination of the loan) a final payment equal to 4.5% of the loan will be due and payable
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		2,492,523
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.1003
Warrants Expire Term		10 years
Interest Expense, Debt		88,918
Intrinsic Value Of Warrants		261,386
Interest Expense, Other		225,000
Debt Instrument, Unamortized Discount		326,950
Interest Paid	112,500
Paid-in-Kind Interest	$ 38,354