Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Paid in Capital	Retained Earnings	Treasury Stock
Balance (in shares) at Sep. 30, 2019		10,861,950
Balance at Sep. 30, 2019	$ 29,447	$ 109	$ (4,377)	$ 34,715	$ (1,000)
Net loss	(17,333)			(17,333)
Treasury stock, net (in shares)		(500,658)
Treasury stock, net	0	$ (5)	(995)		1,000
Common stock issuance (in shares)		573,199
Common stock issuance	2,109	$ 6	2,103
Stock options, exercised (in shares)		123,334
Stock option exercise	205	$ 1	204
Restricted stock issuance (in shares)		764,184
Restricted stock issuance	(69)	$ 7	(76)
Amortization of stock-based compensation	574		574
Balance (in shares) at Sep. 30, 2020		11,822,009
Balance at Sep. 30, 2020	14,933	$ 118	(2,567)	17,382	0
Net 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	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
Balance (in shares) at Sep. 30, 2021		12,610,229
Balance at Sep. 30, 2021	$ 10,427	$ 126	$ (578)	$ 10,879	$ 0