Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Paid in Capital	Retained Earnings
Beginning balance (in shares) at Sep. 30, 2020		11,822,009
Beginning balance at Sep. 30, 2020	$ 14,933	$ 118	$ (2,567)	$ 17,382
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(6,502)			(6,502)
Common stock issuance (in shares)		245,973
Common stock issuance	899	$ 2	897
Stock options exercised (in shares)		49,000
Stock option exercise	89	$ 1	88
Restricted stock issuance (in shares)		493,247
Restricted stock issuance	0	$ 5	(5)
Amortization of stock-based compensation	$ 1,009		1,009
Ending balance (in shares) at Sep. 30, 2021	12,610,229	12,610,229
Ending balance at Sep. 30, 2021	$ 10,427	$ 126	(578)	10,879
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,029)			(2,029)
Common stock issuance (in shares)		320,787
Common stock issuance	636	$ 3	633
Restricted stock issuance (in shares)		110,111
Restricted stock issuance	0	$ 1	(1)
Amortization of stock-based compensation	$ 281		281
Ending balance (in shares) at Dec. 31, 2021	13,041,127	13,041,127
Ending balance at Dec. 31, 2021	$ 9,315	$ 130	335	8,850
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	471			471
Common stock issuance (in shares)		892,181
Common stock issuance	$ 1,627	$ 9	1,618
Stock options exercised (in shares)	50,000	50,000
Stock option exercise	$ 64	$ 1	63
Restricted stock issuance (in shares)		148,725
Restricted stock issuance	0	$ 1	(1)
Amortization of stock-based compensation	$ 570		570
Ending balance (in shares) at Dec. 31, 2022	14,132,033	14,132,033
Ending balance at Dec. 31, 2022	$ 12,047	$ 141	$ 2,585	$ 9,321