NET EARNINGS (LOSS) PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net Earnings (Loss) (Numerator)
Basic	$ 4,978	$ (3,456)	$ 4,706	$ (5,384)
Effect of dilutive securities - common stock options	0	0	0	0
Diluted	$ 4,978	$ (3,456)	$ 4,706	$ (5,384)
Shares (Denominator)
Basic (in shares)	8,398,001	8,277,160	8,317,440	8,277,160
Effect of dilutive securities - common stock options (in shares)	0	0	0	0
Diluted (in shares)	8,398,001	8,277,160	8,317,440	8,277,160
Per-Share Amount
Basic net earnings (loss) per share (in dollars per share)	$ 0.59	$ (0.42)	$ 0.57	$ (0.65)
Diluted net earnings (loss) per share (in dollars per share)	$ 0.59	$ (0.42)	$ 0.57	$ (0.65)
Options
Antidilutive shares of common stock excluded from the computation of diluted shares
Antidilutive shares excluded from computation of earnings (loss) per share (in shares)	615,000	60,000	615,000	60,000