STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Number of Options
Outstanding, beginning of period (in shares)	743,045	759,795
Granted (in shares)	120,000	57,500
Exercised (in shares)	(1,400)	0
Forfeited (in shares)	114,000	(44,500)
Expired (in shares)	(10,500)	(29,750)
Outstanding, end of period (in shares)	737,145	743,045
Wgtd. Avg. Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 4.27	$ 4.43
Granted (in dollars per share)	5.19	3.64
Exercised (in dollars per share)	4.08	0.00
Forfeited (in dollars per share)	4.78	5.67
Expired (in dollars per share)	5.24	5.04
Outstanding, end of period (in dollars per share)	$ 4.33	$ 4.27
For options expected to vest
Number expected to vest (in shares)	724,398	727,403
Number expected to vest (in dollars per share)	$ 4.32	$ 4.29
Weighted average remaining term, in years	4 years 4 days	4 years 7 months
Intrinsic value (000s)	$ 733	$ 545
For exercisable options
Number exercisable (in shares)	426,358	332,472
Number exercisable (in dollars per share)	$ 4.24	$ 4.40
Weighted average remaining term, in years	3 years 3 months 8 days	4 years 1 month
Intrinsic value (000s)	$ 467	$ 229
For non-exercisable options
Expense not yet recognized (000s)	$ 343	$ 416
Weighted average years to be recognized	2 years 9 months 29 days	1 year 10 months 3 days
For options exercised, Intrinsic value (000s)	$ 2	$ 0