Notes Payable - Additional Information (Detail) (USD $)	0 Months Ended		9 Months Ended		0 Months Ended
	Jan. 29, 2015	Aug. 28, 2014	Mar. 31, 2015	Mar. 31, 2014	Feb. 17, 2015	Apr. 03, 2015	Sep. 30, 2014	Jun. 30, 2014
Debt Instrument [Line Items]
Short term loan	$ 200,000		$ 1,250,000
Warrants, exercisable period		54 months
Warrant exercise price per share		$ 0.8875					$ 0.84
Debt instrument carrying amount			1,050,000
Debt discount			12,000
Additional paid-in-capital related to issuance of warrants			44,000
Non-cash amortization of the debt discount and deferred financing costs			61,000	127,000
Promissory Note, With 8% [Member]
Debt Instrument [Line Items]
Debt instrument interest rate					8.00%
Aggregate principal amount of promissory notes					100,000
Issuance of warrants					80,000
Gross proceeds from issuance of common stock and warrants					100,000
Debt instrument expiration period					6 months
Proceeds to be raised from other financing sources to repay the note					3,000,000
Net proceeds from issuance of short term promissory notes					92,000
Warrants, exercisable period					54 months
Warrant exercise price per share					$ 1.01
Additional proceeds from notes payable					900,000
Effective interest rate of notes			39.00%
Promissory Note 5.76% Interest Rate [Member]
Debt Instrument [Line Items]
Debt instrument maturity date						Mar. 19, 2015
Debt instrument interest rate					5.76%
Aggregate principal amount of promissory notes					950,000
Issuance of warrants					99,500
Proceeds to be raised from other financing sources to repay the note					950,000
Net proceeds from issuance of short term promissory notes					940,000
Warrants, exercisable period					54 months
Warrant exercise price per share					$ 1.01
Effective interest rate of notes			65.00%
Debt instrument carrying amount			1,050,000
Debt discount			61,000
Additional paid-in-capital related to issuance of warrants			61,000
Non-cash amortization of the debt discount and deferred financing costs			61,000
Promissory Note 5.76% Interest Rate [Member] | Amendment Agreement [Member]
Debt Instrument [Line Items]
Debt instrument maturity date						Jul. 02, 2015
Issuance of warrants						3,166,667
Warrants, exercisable period						54 months
Warrant exercise price per share						0.31
Gain or loss on the extinguishment			500,000
Secured Promissory Note [Member]
Debt Instrument [Line Items]
Issuance of secured promissory notes	$ 200,000
Debt instrument maturity date	Mar. 30, 2015		Mar. 30, 2015
Debt instrument interest rate	6.00%