Share Based Compensation - Additional Information (Detail) (USD $)	9 Months Ended						3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2012	Jun. 30, 2011	Mar. 31, 2013 Employees Stock Option Plan	Mar. 31, 2013 Directors Stock Option Plan	Mar. 31, 2013 Common Stock Options	Mar. 31, 2012 Common Stock Options	Mar. 31, 2013 Common Stock Options	Mar. 31, 2012 Common Stock Options	Mar. 31, 2013 Non Vested
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Restricted shares of common stock	1,333,333				1,066,667	266,666
Forfeiture period of stock option for director in case of cessation of employment	30 days
Forfeiture period of stock option for employee in case of cessation of employment	90 days
Options to purchase under the employees stock option plan and the directors stock option plan					419,966	56,667
Share-based compensation expense							$ 42,000	$ 40,000	$ 107,000	$ 73,000
Unrecognized compensation cost	114,000										39,000
Number Outstanding, Options Outstanding	405,004		591,672	320,842							130,000
Average Exercise Price, Options Outstanding	$ 2.34	$ 2.67	$ 2.48	$ 2.71							$ 1.27
Unrecognized expense is anticipated to be recognized on a straight line basis over a weighted average period	1 year 7 months 6 days
Unrecognized expense is anticipated to be amortized	2 years 6 months
Restricted Share Activity		$ 0
Restricted Share Outstanding		0