Stock Options (Detail) (USD $)	9 Months Ended
	Mar. 31, 2014 Employee 2012 Stock Option Plan [Member]	Mar. 31, 2014 NonEmployee 2012 Stock Option Plan [Member]	Mar. 31, 2014 Employee Stock Option Plan 2002 [Member]	Mar. 31, 2013 Employee Stock Option Plan 2002 [Member]	Mar. 31, 2014 2000 Non Employee Stock Options [Member]	Mar. 31, 2013 2000 Non Employee Stock Options [Member]	Jun. 30, 2012 2000 Non Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of period			651,140	1,380,140	30,000		30,000
Granted	78,500	25,000
Terminated/Lapsed			(47,790)		(30,000)
Exercised			(337,600)	(729,000)
Outstanding, end of period	78,500	25,000	265,750	651,140		30,000
Exercisable, end of period	15,700	5,000	265,750	651,140		30,000
Weighted average fair value at grant date of options granted	$ 3.84	$ 3.30
Total intrinsic value of options exercised			$ 1,399,000	$ 1,301,000
Total intrinsic value of options outstanding	85,000	48,000	244,000	578,000
Total intrinsic value of options exercisable	$ 17,000	$ 10,000	$ 244,000	$ 578,000
Outstanding, beginning of period, weighted average exercise price			$ 4.18	$ 2.95	$ 5.03	$ 5.03	$ 5.03
Terminated/lapsed, weighted average exercise price			$ 1.74		$ 5.03
Granted, weighted average exercise price	$ 5.73	$ 4.88
Exercised, weighted average exercise price			$ 2.70	$ 1.85
Outstanding, end of period, weighted average exercise price	$ 5.73	$ 4.88	$ 6.07	$ 4.18		$ 5.03	$ 5.03
Exercisable, end of period, weighted average exercise price	$ 5.73	$ 4.88	$ 6.07	$ 4.18		$ 5.03