Stock Options (Detail) (USD $)	3 Months Ended				12 Months Ended
	Sep. 30, 2014 Employee 2012 Stock Option Plan [Member]	Sep. 30, 2013 Employee 2012 Stock Option Plan [Member]	Sep. 30, 2014 NonEmployee 2012 Stock Option Plan [Member]	Sep. 30, 2013 NonEmployee 2012 Stock Option Plan [Member]	Jun. 30, 2014 Employee Stock Option Plan 2002 [Member]	Jun. 30, 2013 Employee Stock Option Plan 2002 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year	78,500	0	25,000	0	265,750	651,140
Granted	0	35,000	0	25,000	0	0
Terminated/Lapsed	(10,000)	0	0	0	(1,000)	(30,240)
Exercised	0	0	0	0	0	(326,800)
Outstanding, end of period	68,500	35,000	25,000	25,000	264,750	265,750
Exercisable, end of period	18,700	7,000	10,000	5,000	264,750	294,100
Weighted average fair value at grant date of options granted		$ 3.28		$ 3.30	$ 0	$ 0
Total intrinsic value of options exercised					$ 0	$ 854,000
Total intrinsic value of options outstanding	0	11,000	0	11,000	0	101,000
Total intrinsic value of options exercisable	$ 0	$ 2,000	$ 0	$ 2,000	$ 0	$ 101,000
Outstanding, beginning of period, weighted average exercise price	$ 5.73	$ 0	$ 4.88	$ 0	$ 6.51	$ 4.18
Granted, weighted average exercise price	$ 0	$ 5.02	$ 0	$ 4.88	$ 0	$ 0
Terminated/lapsed, weighted average exercise price	$ 4.88	$ 0	$ 0	$ 0	$ 6.02	$ 1.74
Exercised, weighted average exercise price	$ 0	$ 0	$ 0	$ 0	$ 0	$ 2.70
Outstanding, end of period, weighted average exercise price	$ 5.86	$ 5.02	$ 4.88	$ 4.88	$ 6.51	$ 6.51
Exercisable, end of period, weighted average exercise price	$ 5.65	$ 5.02	$ 4.88	$ 4.88	$ 6.51	$ 6.07