Stock Options (Detail) (USD $)	3 Months Ended	6 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
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	44,000	78,500
Terminated/Lapsed		(10,000)	0
Exercised		0	0
Outstanding, end of period	112,500	112,500	78,500
Exercisable, end of period	27,500	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	13,000	13,000	44,000
Total intrinsic value of options exercisable	3,000	3,000	9,000
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	$ 5.30	$ 5.73
Exercisable, end of period, weighted average exercise price	$ 5.26	$ 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	10,000	25,000
Terminated/Lapsed		0	0
Exercised		0	0
Outstanding, end of period	35,000	35,000	25,000
Exercisable, end of period	12,000	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	3,000	3,000	35,000
Total intrinsic value of options exercisable	1,000	1,000	7,000
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	$ 4.73	$ 4.88
Exercisable, end of period, weighted average exercise price	$ 4.80	$ 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		(1,000)	(30,240)
Exercised		0	(326,800)
Outstanding, end of period	264,750	264,750	294,100
Exercisable, end of period	264,750	264,750	294,100
Weighted average fair value at grant date of options granted		$ 0	$ 0
Total intrinsic value of options exercised		0	854,000
Total intrinsic value of options outstanding	0	0	254,000
Total intrinsic value of options exercisable	$ 0	$ 0	$ 254,000
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		$ 6.02	$ 1.74
Exercised, weighted average exercise price		$ 0	$ 2.70
Outstanding, end of period, weighted average exercise price	$ 6.51	$ 6.51	$ 6.07
Exercisable, end of period, weighted average exercise price	$ 6.51	$ 6.51	$ 6.07