STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Number of Options
Outstanding, beginning of period (in shares)	759,795	717,645
Granted (in shares)	57,500	60,000
Exercised (in shares)	0	(600)
Forfeited (in shares)	44,500	(17,250)
Expired (in shares)	(29,750)	0
Outstanding, end of period (in shares)	743,045	759,795
Wgtd. Avg. Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 4.43	$ 4.40
Granted (in dollars per share)	3.64	5.15
Exercised (in dollars per share)	0.00	4.08
Forfeited (in dollars per share)	5.67	5.82
Expired (in dollars per share)	5.04	0.00
Outstanding, end of period (in dollars per share)	$ 4.27	$ 4.43
For options expected to vest
Number expected to vest (in shares)	727,403	735,561
Number expected to vest (in dollars per share)	$ 4.29	$ 4.43
Weighted average remaining term, in years	4 years 6 months 19 days	5 years
Intrinsic value (000s)	$ 545	$ 388
For exercisable options
Number exercisable (in shares)	332,472	270,686
Number exercisable (in dollars per share)	$ 4.40	$ 4.81
Weighted average remaining term, in years	4 years 26 days	3 years 9 months 19 days
Intrinsic value (000s)	$ 229	$ 108
For non-exercisable options
Expense not yet recognized (000s)	$ 416	$ 585
Weighted average years to be recognized	1 year 10 months 3 days	2 years 7 months 15 days
For options exercised, Intrinsic value (000s)	$ 0	$ 1