Stock Options (Detail) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Employee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of period	0
Granted	78,500
Terminated/Lapsed	0
Exercised	0
Outstanding, end of period	78,500
Exercisable, end of period	15,700
Weighted average fair value at grant date of options granted	$ 3.84
Total intrinsic value of options exercised
Total intrinsic value of options outstanding	14,000
Total intrinsic value of options exercisable	3,000
Outstanding, beginning of period, weighted average exercise price	$ 0
Granted, weighted average exercise price	$ 5.73
Terminated/lapsed, weighted average exercise price	$ 0
Exercised, weighted average exercise price	$ 0
Outstanding, end of period, weighted average exercise price	$ 5.73
Exercisable, end of period, weighted average exercise price	$ 5.73
NonEmployee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of period	0
Granted	25,000
Terminated/Lapsed	0
Exercised	0
Outstanding, end of period	25,000
Exercisable, end of period	5,000
Weighted average fair value at grant date of options granted	$ 3.30
Total intrinsic value of options exercised
Total intrinsic value of options outstanding	14,000
Total intrinsic value of options exercisable	3,000
Outstanding, beginning of period, weighted average exercise price	$ 0
Granted, weighted average exercise price	$ 4.88
Terminated/lapsed, weighted average exercise price	$ 0
Exercised, weighted average exercise price	$ 0
Outstanding, end of period, weighted average exercise price	$ 4.88
Exercisable, end of period, weighted average exercise price	$ 4.88
Employee Stock Option Plan 2002 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of period	651,140	1,380,140
Granted	0	0
Terminated/Lapsed	(47,790)	0
Exercised	(337,600)	(729,000)
Outstanding, end of period	265,750	651,140
Exercisable, end of period	265,750	651,140
Weighted average fair value at grant date of options granted
Total intrinsic value of options exercised	1,399,000	1,301,000
Total intrinsic value of options outstanding	13,000	854,000
Total intrinsic value of options exercisable	13,000	854,000
Outstanding, beginning of period, weighted average exercise price	$ 4.18	$ 2.95
Granted, weighted average exercise price	$ 0	$ 0
Terminated/lapsed, weighted average exercise price	$ 1.74	$ 0
Exercised, weighted average exercise price	$ 2.70	$ 1.85
Outstanding, end of period, weighted average exercise price	$ 6.07	$ 4.18
Exercisable, end of period, weighted average exercise price	$ 6.07	$ 4.18
2000 Non Employee Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of period	30,000	30,000
Granted	0	0
Terminated/Lapsed	(30,000)	0
Exercised	0	0
Outstanding, end of period	0	30,000
Exercisable, end of period	0	30,000
Weighted average fair value at grant date of options granted
Total intrinsic value of options exercised
Total intrinsic value of options outstanding	0	0
Total intrinsic value of options exercisable	$ 0	$ 0
Outstanding, beginning of period, weighted average exercise price	$ 5.03	$ 5.03
Granted, weighted average exercise price	$ 0	$ 0
Terminated/lapsed, weighted average exercise price	$ 5.03	$ 0
Exercised, weighted average exercise price	$ 0	$ 0
Outstanding, end of period, weighted average exercise price	$ 0	$ 5.03
Exercisable, end of period, weighted average exercise price	$ 0	$ 5.03