STOCK-BASED COMPENSATION (Common Stock Options Awards) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 30, 2018	Sep. 30, 2017
Option Shares
Outstanding at beginning of period (in shares)	146,606	140,706
Granted (in shares)	8,000	23,000
Exercised (in shares)	(6,042)	(14,100)
Forfeited or expired (in shares)	(26,894)	(3,000)
Outstanding at end of period (in shares)	121,670	146,606
Exercisable at end of period (in shares)	56,770	57,712
Fully vested and expected to vest (in shares)	121,670	146,606
Weighted Average Exercise Price
Weighted Average Exercise Price, Outstanding at beginning of period (usd per share)	$ 9.45	$ 8.67
Weighted Average Exercise Price, Granted (usd per share)	13.60	13.75
Weighted Average Exercise Price, Exercised (usd per share)	8.11	8.27
Weighted Average Exercise Price, Forfeited or expired (usd per share)	0.00	11.00
Weighted Average Exercise Price, Outstanding at end of period (usd per share)	9.82	9.45
Weighted Average Exercise Price, Exercisable at end of year (usd per share)	8.04	7.70
Weighted Average Exercise Price, Fully vested and expected to vest (usd per share)	$ 9.82	$ 9.45
Weighted Average Remaining Contractual Term, Outstanding at end of period	5 years 9 months 11 days	6 years 8 months 5 days
Weighted Average Remaining Contractual Term, Exercisable at end of period	3 years 4 months 17 days	3 years 10 months 21 days
Weighted Average Remaining Contractual Term, Fully vested and expected to vest	5 years 9 months 11 days	6 years 8 months 5 days
Aggregate intrinsic value, exercisable at end of period	$ 387	$ 361
Aggregate intrinsic value, fully vested and expected to vest at end of period	$ 526	$ 659