Stock Options (Detail) - USD ($)	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Employee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	112,500	78,500
Granted	0	0
Terminated/Lapsed	(15,000)	(10,000)
Exercised	0	0
Outstanding, end of period	97,500	68,500
Exercisable, end of period	29,500	18,700
Weighted average fair value at grant date of options granted	$ 0	$ 0
Total intrinsic value of options exercised	$ 0	$ 0
Total intrinsic value of options outstanding	69,000	0
Total intrinsic value of options exercisable	$ 24,000	$ 0
Outstanding, beginning of period, weighted average exercise price	$ 5.30	$ 5.73
Granted, weighted average exercise price	0	0
Terminated/Lapsed, weighted average exercise price	0	4.88
Exercised, weighted average exercise price	0	0
Outstanding, end of period, weighted average exercise price	5.46	5.86
Exercisable, end of period, weighted average exercise price	$ 5.33	$ 5.65
NonEmployee 2012 Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	35,000	25,000
Granted	0	0
Terminated/Lapsed	0	0
Exercised	0	0
Outstanding, end of period	35,000	25,000
Exercisable, end of period	17,000	10,000
Weighted average fair value at grant date of options granted	$ 0	$ 0
Total intrinsic value of options exercised	$ 0	$ 0
Total intrinsic value of options outstanding	46,000	0
Total intrinsic value of options exercisable	$ 21,000	$ 0
Outstanding, beginning of period, weighted average exercise price	$ 4.73	$ 4.88
Granted, weighted average exercise price	0	0
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	$ 4.82	$ 4.88
Employee Stock Option Plan 2002 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	208,500	265,750
Granted	0	0
Terminated/Lapsed	0	(1,000)
Exercised	0	0
Outstanding, end of period	208,500	264,750
Exercisable, end of period	208,500	264,750
Weighted average fair value at grant date of options granted	$ 0	$ 0
Total intrinsic value of options exercised	$ 0	$ 0
Total intrinsic value of options outstanding	37,000	0
Total intrinsic value of options exercisable	$ 37,000	$ 0
Outstanding, beginning of period, weighted average exercise price	$ 6.86	$ 6.51
Granted, weighted average exercise price	0	0
Terminated/Lapsed, weighted average exercise price	0	6.02
Exercised, weighted average exercise price	0	0
Outstanding, end of period, weighted average exercise price	6.86	6.51
Exercisable, end of period, weighted average exercise price	$ 6.86	$ 6.51