Stock Options (Detail) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 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	(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	73,360	14,000
Total intrinsic value of options exercisable	$ 17,946	$ 3,000
Outstanding, beginning of period, weighted average exercise price	$ 5.73	$ 0
Granted, weighted average exercise price	4.43	5.73
Terminated, 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	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	$ 3.30
Total intrinsic value of options exercised	$ 0	$ 0
Total intrinsic value of options outstanding	35,000	14,000
Total intrinsic value of options exercisable	$ 11,000	$ 3,000
Outstanding, beginning of period, weighted average exercise price	$ 4.88	$ 0
Granted, weighted average exercise price	4.37	4.88
Terminated, 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	(57,250)	(47,790)
Exercised	0	(337,600)
Outstanding, end of period	208,500	265,750
Exercisable, end of period	208,500	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	6,000	13,000
Total intrinsic value of options exercisable	$ 6,000	$ 13,000
Outstanding, beginning of period, weighted average exercise price	$ 6.51	$ 4.18
Granted, weighted average exercise price	0	0
Terminated, 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	6.51
Exercisable, end of period, weighted average exercise price	$ 6.86	$ 6.07