Summary of Stock Option Activity (Detail) (USD $)	9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding at beginning of period, Shares	591,672	320,842	405,004
Granted, Shares	60,000	205,000
Exercised, Shares	(33,334)
Forfeited, Shares	(213,334)	(47,502)
Outstanding at end of period, Shares	405,004	478,340
Exercisable at end of period, Shares	274,726	278,062
Outstanding at beginning of period, weighted average exercise price	$ 2.48	$ 2.71
Granted, weighted average exercise price	$ 1.90	$ 2.04
Exercised, weighted average exercise price	$ 1.50
Forfeited, weighted average exercise price	$ 2.35	$ 2.43
Outstanding at end of period, weighted average exercise price	$ 2.34	$ 2.67
Exercisable at end of period, weighted average exercise price	$ 2.88	$ 3.15
Weighted-average fair value per Option granted during the period	$ 1.34	$ 1.16