Notes Payable - Additional Information (Detail) - USD ($)	1 Months Ended
	Dec. 31, 2014	Dec. 15, 2014
Line of Credit Facility [Line Items]
Convertible notes payable, initial closing amount	$ 200,000	$ 200,000
Maximum [Member] | Bridge Loan Financing [Member]
Line of Credit Facility [Line Items]
Convertible Note Purchase Agreement with certain investors to provide Bridge Loans	$ 1,000,000