CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning Balance at Sep. 30, 2021	$ 142,457	$ 137	$ 92,935	$ 72,510	$ (16,320)	$ (6,805)
Beginning Balance, Shares at Sep. 30, 2021		12,969,542
Net loss	(6,768)			(6,768)
Other comprehensive income (loss)	(142)				(142)
Issuance of common stock pursuant to the vesting of restricted stock units	1	$ 1
Issuance of common stock pursuant to the vesting of restricted stock units, Shares		84,762
Purchase of treasury stock	(695)					(695)
Purchase of treasury stock, Shares		(72,563)
Stock-based compensation	536		536
Ending Balance at Dec. 31, 2021	135,389	$ 138	93,471	65,742	(16,462)	(7,500)
Ending Balance, Shares at Dec. 31, 2021		12,981,741
Beginning Balance at Sep. 30, 2022	$ 121,647	$ 139	94,667	49,654	(15,313)	(7,500)
Beginning Balance, Shares at Sep. 30, 2022	13,021,241	13,021,241
Net loss	$ (97)			(97)
Other comprehensive income (loss)	14				14
Issuance of common stock pursuant to the vesting of restricted stock units	1	$ 1
Issuance of common stock pursuant to the vesting of restricted stock units, Shares		109,748
Stock-based compensation	370		370
Ending Balance at Dec. 31, 2022	$ 121,935	$ 140	$ 95,037	$ 49,557	$ (15,299)	$ (7,500)
Ending Balance, Shares at Dec. 31, 2022	13,130,989	13,130,989