EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2022	Jun. 30, 2021
EARNINGS PER COMMON SHARE
Antidilutive stock options (in shares)	0			0			0	0
Earnings Per Share, Basic [Abstract]
Net income	$ 5,333	$ 5,860	$ 6,537	$ 221	$ 2,055	$ 1,519	$ 17,730	$ 3,795
Weighted average common shares outstanding (in shares)	6,596,505			4,731,949			5,970,288	4,368,809
Basic earnings per common share (in dollars per share)	$ 0.81			$ 0.05			$ 2.97	$ 0.87
Earnings Per Share, Diluted [Abstract]
Net income	$ 5,333	$ 5,860	$ 6,537	$ 221	$ 2,055	$ 1,519	$ 17,730	$ 3,795
Weighted average common shares outstanding for basic earnings per common share (in shares)	6,596,505			4,731,949			5,970,288	4,368,809
Add: dilutive effects of assumed exercises of stock options (in shares)	99,062			84,311			99,206	84,129
Average shares and dilutive potential common shares (in shares)	6,695,567			4,816,260			6,069,494	4,452,938
Diluted earnings per common share (in dollars per share)	$ 0.80			$ 0.05			$ 2.92	$ 0.85