Subsequent Events - Additional Information (Detail) (USD $)	0 Months Ended
	Aug. 28, 2014	Feb. 17, 2015	Jan. 29, 2015	Dec. 31, 2014	Jun. 30, 2014
Schedule of Reverse Stock Split [Line Items]
Issuance of company's common stock				41,756,000	38,511,000
Gross proceeds from issuance of common stock and warrants	$ 2,170,000
Exercise price of warrants	$ 0.8875
Proceeds from issuance of warrants	2,120,000
Warrants exercisable period	54 months
Subsequent Event [Member]
Schedule of Reverse Stock Split [Line Items]
Issuance of company's common stock		1,000,000
Issuance of warrants to purchase common stock		800,000
Gross proceeds from issuance of common stock and warrants		1,000,000
Exercise price of warrants		$ 1.01
Bridge loan to investor		950,000
Net proceeds from issuance of short term promissory note		950,000
Proceeds from issuance of warrants		950,000
Warrants issued for promissory note		99,500
Warrants exercisable period		54 months
Debt instrument monthly interest rate		0.48%
Warrant exercise price per share		$ 1.01
Subsequent Event [Member] | Secured Promissory Note [Member]
Schedule of Reverse Stock Split [Line Items]
Issuance of secured promissory notes			200,000
Debt instrument maturity date			Mar. 30, 2015
Debt instrument interest rate			6.00%
Subsequent Event [Member] | Unsecured Promissory Note [Member]
Schedule of Reverse Stock Split [Line Items]
Debt instrument interest rate		8.00%
Proceeds from issuance of debt		100,000
Debt instrument maturity date description		The maturity date for the notes is the six month anniversary of the issuance date and such date can be extended by the investors for two additional ninety (90) day periods.
Debt prepayment notice period		20 days
Subsequent Event [Member] | Short-term Loan [Member]
Schedule of Reverse Stock Split [Line Items]
Short term loan			$ 200,000