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Note 15 - Stockholders' Equity (Successor) (Details Textual) - USD ($)							1 Months Ended			3 Months Ended	8 Months Ended	9 Months Ended
	Aug. 31, 2022	Aug. 01, 2022	Oct. 25, 2021	Oct. 01, 2021	Jul. 26, 2021	Jul. 01, 2021	Oct. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Aug. 21, 2020	Sep. 30, 2021	Dec. 31, 2020
Common Stock, Dividends, Per Share, Declared (in dollars per share)										$ 0.125		$ 0.125
Payments of Dividends, Total					$ 9,300,000				$ (0)		$ (0)	$ 9,274,000
Dividends, Total												829,000
Dividends Payable, Current								$ 2,683,000		$ 2,683,000		$ 2,683,000	$ 0
Common Stock, Shares, Outstanding, Ending Balance (in shares)								92,743,677		92,743,677		92,743,677	91,967,565
Class of Warrant or Right, Outstanding (in shares)								9,500,174		9,500,174		9,500,174	10,225,472
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)								$ 11.50		$ 11.50		$ 11.50	$ 11.50
Common Stock, Capital Shares Reserved for Future Issuance (in shares)								21,694,763		21,694,763		21,694,763
Contingent Value Right [Member]
Class of Warrant or Right, Outstanding (in shares)								10,209,300		10,209,300		10,209,300	10,209,300
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)								2.125		2.125		2.125	2.125
Subsequent Event [Member]
Payments of Dividends, Total			$ 2,300,000
Dividends, Total				$ 207,000			$ 207,000
Dividends Payable, Current			$ 2,300,000
Subsequent Event [Member] \| Forecast [Member]
Dividends, Total	$ 31,000	$ 125,000
Quarterly Dividend [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share)						$ 0.025		$ 0.025
Quarterly Dividend [Member] \| Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share)				$ 0.025
Special Dividend [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share)						$ 0.075