CONSOLIDATED STATEMENT OF SHAREHOLDERS EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated other comprehensive loss	Total
Beginning Balance (in Shares) at Sep. 30, 2019	4,154
Beginning Balance at Sep. 30, 2019	$ 42	$ 15,733	$ 27,246	$ (12,593)	$ 30,428
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			(540)		(540)
Other comprehensive gain				326	326
Exercise of stock options		2			2
Stock-based compensation		205			205
Cash declared on common stock			(623)		(623)
Ending Balance (in Shares) at Dec. 31, 2019	4,154
Ending Balance at Dec. 31, 2019	$ 42	15,940	26,083	(12,267)	$ 29,798
Beginning Balance (in Shares) at Sep. 30, 2020	4,276				4,276
Beginning Balance at Sep. 30, 2020	$ 43	16,994	24,492	(11,995)	$ 29,534
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			1,151		1,151
Other comprehensive gain				302	302
Stock-based compensation		265			$ 265
Ending Balance (in Shares) at Dec. 31, 2020	4,276				4,276
Ending Balance at Dec. 31, 2020	$ 43	$ 17,259	$ 25,643	$ (11,693)	$ 31,252