Stock Options (Detail) (USD $)	9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Employee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	78,500	0
Granted	44,000	78,500
Terminated/Lapsed	(10,000)	0
Exercised	0	0
Outstanding, end of period	112,500	78,500
Exercisable, end of period	27,500	15,700
Weighted average fair value at grant date of options granted	$ 2.82	$ 3.84
Total intrinsic value of options exercised	$ 0	$ 0
Total intrinsic value of options outstanding	78,000	85,000
Total intrinsic value of options exercisable	19,000	17,000
Outstanding, beginning of period, weighted average exercise price	$ 5.73	$ 0
Granted, weighted average exercise price	$ 4.43	$ 5.73
Terminated/lapsed, weighted average exercise price	$ 4.88	$ 0
Exercised, weighted average exercise price	$ 0	$ 0
Outstanding, end of period, weighted average exercise price	$ 5.30	$ 5.73
Exercisable, end of period, weighted average exercise price	$ 5.26	$ 5.73
NonEmployee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	25,000	0
Granted	10,000	25,000
Terminated/Lapsed	0	0
Exercised	0	0
Outstanding, end of period	35,000	25,000
Exercisable, end of period	12,000	5,000
Weighted average fair value at grant date of options granted	$ 2.86	$ 3.3
Total intrinsic value of options exercised	0	0
Total intrinsic value of options outstanding	37,000	48,000
Total intrinsic value of options exercisable	12,000	10,000
Outstanding, beginning of period, weighted average exercise price	$ 4.88	$ 0
Granted, weighted average exercise price	$ 4.37	$ 4.88
Terminated/lapsed, weighted average exercise price	$ 0	$ 0
Exercised, weighted average exercise price	$ 0	$ 0
Outstanding, end of period, weighted average exercise price	$ 4.73	$ 4.88
Exercisable, end of period, weighted average exercise price	$ 4.80	$ 4.88
Employee Stock Option Plan 2002 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	265,750	651,140
Granted	0	0
Terminated/Lapsed	(57,250)	(47,790)
Exercised	0	(337,600)
Outstanding, end of period	208,500	265,750
Exercisable, end of period	208,000	265,750
Weighted average fair value at grant date of options granted	$ 0	$ 0
Total intrinsic value of options exercised	0	1,399,000
Total intrinsic value of options outstanding	10,000	244,000
Total intrinsic value of options exercisable	$ 10,000	$ 244,000
Outstanding, beginning of period, weighted average exercise price	$ 6.51	$ 4.18
Granted, weighted average exercise price	$ 0	$ 0
Terminated/lapsed, weighted average exercise price	$ 5.24	$ 1.74
Exercised, weighted average exercise price	$ 0	$ 2.70
Outstanding, end of period, weighted average exercise price	$ 6.86	$ 6.07
Exercisable, end of period, weighted average exercise price	$ 6.86	$ 6.07