Preferred Stock and Redeemable Preferred Stock - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended			12 Months Ended
	Mar. 10, 2010	Apr. 05, 2013	Sep. 28, 2012	Mar. 09, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Preferred Stock [Line Items]
Preferred stock par value per share					$ 0.10	$ 0.10
Extended maturity period					12 months
Convertible redeemable preferred stock maturity					2013-04-12
Conversion of the preferred stock and accrued dividends into common stock shares					3,551,541
Issued dividends of Series C preferred stock		1,051,541
Warrants Exercisable period	5 years		54 months	54 months
Exercise price of warrants	$ 2.50		$ 1.34		$ 1.34		$ 1.40
Value of warrants using Black-Scholes option					$ 1,031,000
Series B Preferred Stock [Member]
Preferred Stock [Line Items]
Conversion of the preferred stock and accrued dividends into common stock shares					250,000
Preferred stock shares outstanding					28,000
Redemption price of preferred stock per share					$ 25.00
Conversion rate of common stock per share					$ 2.80
Accrued dividend					17,500
Series C 15% Convertible Redeemable Preferred Stock [Member]
Preferred Stock [Line Items]
Preferred stock par value per share					$ 1.60
Company issued redeemable preferred stock					1,250,000
Accrued dividend rate					15.00%
Dividend rate increased per annum					20.00%
Preferred stock conversion price					$ 0.80
Preferred stock redemption period					30 months
Preferred stock redemption percentage					102.50%
Series C Preferred Stock [Member]
Preferred Stock [Line Items]
Preferred stock accrued dividends					536,000
Company issued warrants to purchase common stock					825,000
Warrants Exercisable period					54 months
Exercise price of warrants					$ 1.60
Percentage of closing bid price of common stock					101.00%
Redeemable Convertible Preferred Stock [Member] | Series C Preferred Stock and Accrued Dividends [Member]
Preferred Stock [Line Items]
Conversion of the preferred stock and accrued dividends into common stock shares		3,551,541
Series D Preferred Stock [Member]
Preferred Stock [Line Items]
Accrued dividend rate					5.00%
Conversion of the preferred stock and accrued dividends into common stock shares					6,125,024
Preferred stock shares outstanding					665,000
Redemption price of preferred stock per share					$ 10.00
Conversion rate of common stock per share					$ 1.08571
Accrued dividend					$ 10,160
Preferred stock repurchased period					2 years
Preferred stock conversion period					3 years