Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Number of Warrants [Member]	Common Stock and Additional Paid-In Capital [Member]	Retained Earnings [Member]
Beginning balance at Sep. 30, 2020	$ 457,859			$ 242,772	$ 215,087
Beginning balance, shares at Sep. 30, 2020		35,526,918
Stock compensation expense	3,126			3,126
Payment of tax withholding for RSUs	(1,486)			(1,486)
Payment of tax withholding for RSUs, shares		(155,174)
Issuance of warrants, net of issuance costs	11,489			11,489
Issuance of warrants, net of issuance costs, shares			4,899,497
Restricted shares issued, shares		492,465
Employee share purchases	471			471
Employee share purchases, shares		94,550
Net (loss) income	16,588				16,588
Ending balance at Sep. 30, 2021	488,047			256,372	231,675
Ending balance, shares at Sep. 30, 2021		35,958,759	4,899,497
Stock compensation expense	2,761			2,761
Payment of tax withholding for RSUs	(455)			(455)
Payment of tax withholding for RSUs, shares		(147,108)
Restricted shares issued	100			100
Restricted shares issued, shares		455,303
Employee share purchases	399			399
Employee share purchases, shares		109,943
Net (loss) income	(182,678)				(182,678)
Ending balance at Sep. 30, 2022	308,174			259,177	48,997
Ending balance, shares at Sep. 30, 2022		36,376,897	4,899,497
Stock compensation expense	2,275			2,275
Payment of tax withholding for RSUs	(363)			(363)
Payment of tax withholding for RSUs, shares		(204,486)
Restricted shares issued, shares		585,401
United Stock Issuance	9,782			9,782
United Stock Issuance, Shares		4,042,061
Employee share purchases	284			284
Employee share purchases, shares		140,453
Net (loss) income	(120,116)				(120,116)
Ending balance at Sep. 30, 2023	$ 200,036			$ 271,155	$ (71,119)
Ending balance, shares at Sep. 30, 2023		40,940,326	4,899,497