INCOME PER COMMON SHARE, Reconciliation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2021	Jun. 30, 2020
INCOME PER COMMON SHARE [Abstract]
Net income (loss)	$ 870	$ 596	$ 255	$ (1,297)	$ (937)	$ (120)	$ 1,721	$ (2,354)
Preferred stock dividends	(197)			(174)			(566)	(500)
Net Income (Loss) Available to Common Stockholders	$ 673			$ (1,471)			$ 1,155	$ (2,854)
Common Shares [Abstract]
Basic - weighted average common shares (in shares)	939,613			872,838			937,234	868,033
Effect of dilutive securities [Abstract]
Stock options (in shares)	54,918			0			44,288	0
Convertible preferred stock (in shares)	310			0			310	0
Diluted - weighted average common stock (in shares)	994,841			872,838			981,832	868,033
Income (loss) per Common Share - Basic [Abstract]
Net income (loss) (in dollars per share)	$ 0.93			$ (1.49)			$ 1.84	$ (2.71)
Preferred stock dividends (in dollars per share)	(0.20)			(0.20)			(0.60)	(0.58)
Net Income (loss) available to common stockholders (in dollars per share)	0.73			(1.69)			1.24	(3.29)
Income per (loss) Common Share - Diluted [Abstract]
Net income (loss) (in dollars per share)	0.88			(1.49)			1.75	(2.71)
Preferred stock dividends (in dollars per share)	(0.20)			(0.20)			(0.58)	(0.58)
Net income (loss) available to common stockholders (in dollars per share)	$ 0.68			$ (1.69)			$ 1.17	$ (3.29)
Number of dilutive securities (in shares)							54,918