Condensed Consolidated Statements 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	850			850
Repurchased shares	(19)			(19)
Repurchased shares, shares		(2,256)
Restricted shares issued, shares		7,500
Issuance of warrants, net of issuance costs	11,489			11,489
Issuance of warrants, net of issuance costs, shares			4,899,497
Net income (loss)	14,118				14,118
Ending balance at Dec. 31, 2020	484,297			255,092	229,205
Ending balance, shares at Dec. 31, 2020		35,532,162	4,899,497
Beginning balance at Sep. 30, 2020	457,859			242,772	215,087
Beginning balance, shares at Sep. 30, 2020		35,526,918
Net income (loss)	24,083
Ending balance at Jun. 30, 2021	494,667			255,497	239,170
Ending balance, shares at Jun. 30, 2021		35,891,029	4,899,497
Beginning balance at Dec. 31, 2020	484,297			255,092	229,205
Beginning balance, shares at Dec. 31, 2020		35,532,162	4,899,497
Stock compensation expense	808			808
Repurchased shares	(157)			(157)
Repurchased shares, shares		(14,680)
Restricted shares issued, shares		124,609
Employee share purchases	207			207
Employee share purchases, shares		58,070
Net income (loss)	5,689				5,689
Ending balance at Mar. 31, 2021	490,844			255,950	234,894
Ending balance, shares at Mar. 31, 2021		35,700,161	4,899,497
Stock compensation expense	756			756
Repurchased shares	(1,209)			(1,209)
Repurchased shares, shares		(122,960)
Restricted shares issued, shares		313,828
Net income (loss)	4,276				4,276
Ending balance at Jun. 30, 2021	494,667			255,497	239,170
Ending balance, shares at Jun. 30, 2021		35,891,029	4,899,497
Beginning balance at Sep. 30, 2021	488,047			256,372	231,675
Beginning balance, shares at Sep. 30, 2021		35,958,759	4,899,497
Stock compensation expense	716			716
Repurchased shares	(15)			(15)
Repurchased shares, shares		(2,275)
Restricted shares issued, shares		7,500
Net income (loss)	(14,274)				(14,274)
Ending balance at Dec. 31, 2021	474,474			257,073	217,401
Ending balance, shares at Dec. 31, 2021		35,963,984	4,899,497
Beginning balance at Sep. 30, 2021	488,047			256,372	231,675
Beginning balance, shares at Sep. 30, 2021		35,958,759	4,899,497
Repurchased shares		$ (400)
Net income (loss)	(67,042)
Ending balance at Jun. 30, 2022	423,036			258,403	164,633
Ending balance, shares at Jun. 30, 2022		36,292,401	4,899,497
Beginning balance at Dec. 31, 2021	474,474			257,073	217,401
Beginning balance, shares at Dec. 31, 2021		35,963,984	4,899,497
Stock compensation expense	671			671
Repurchased shares	(60)			(60)
Repurchased shares, shares		(13,421)
Restricted shares issued, shares		122,594
Employee share purchases	239			239
Employee share purchases, shares		53,567
Net income (loss)	(42,783)				(42,783)
Ending balance at Mar. 31, 2022	432,541			257,923	174,618
Ending balance, shares at Mar. 31, 2022		36,126,724	4,899,497
Stock compensation expense	719			719
Repurchased shares	(339)			(339)
Repurchased shares, shares		(116,455)
Restricted shares issued	100			100
Restricted shares issued, shares		282,132
Net income (loss)	(9,985)				(9,985)
Ending balance at Jun. 30, 2022	$ 423,036			$ 258,403	$ 164,633
Ending balance, shares at Jun. 30, 2022		36,292,401	4,899,497