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Note 10 - Derivatives (Details Textual) - USD ($) $ in Millions			3 Months Ended
	Sep. 26, 2022	Aug. 02, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Sep. 20, 2022	Sep. 15, 2022	Apr. 01, 2021
Interest Rate Cap [Member] | CIBC Bank USA [Member]
Derivative, Notional Amount			$ 8.2					$ 11.9
Interest Rate Cap [Member] | CIBC Bank USA [Member] | Interest Expense [Member]
Derivative, Gain (Loss) on Derivative, Net, Total			(0.1)	$ 0.2
Payments for Derivative Instrument, Investing Activities			0.1	$ 0.1
Interest Rate Cap [Member] | CIBC Bank USA [Member] | Other Receivables [Member]
Derivative Asset			0.2		$ 0.3
Interest Rate Cap [Member] | CIBC Bank USA [Member] | London Interbank Offered Rate [Member]
Derivative, Fixed Interest Rate								1.18%
Interest Rate Cap [Member] | CIBC Bank USA [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Derivative, Fixed Interest Rate							1.103%
Trust Preferred Debt Repurchase August Options [Member]
Trust Preferred Debt Repurchase Options, Maximum Percent of Principal and Deferred Interest		100.00%
Purchase Price, Percentage of Outstanding Principal and Deferred Interset	63.75%	63.00%
Trust Preferred Debt Repurchase Options, Minimum Repurchase, Percentage		50.00%
Payments to Holders of Trust Preferred Debt Repurchase Option		$ 2.0
Trust Preferred Debt Repurchase Option, Threshold		30.0
Amount Forfeited if Repurchased Amount Less Than 30 Million or Failing to Purchase Principal or Deferred Interest Within One Year		$ 2.0
Trust Preferred Debt Repurchase September 20 Options [Member]
Trust Preferred Debt Repurchase Options, Maximum Percent of Principal and Deferred Interest						100.00%
Purchase Price, Percentage of Outstanding Principal and Deferred Interset						63.75%
Trust Preferred Debt Repurchase September 26 Options [Member]
Trust Preferred Debt Repurchase Options, Maximum Percent of Principal and Deferred Interest	100.00%
Purchase Price, Percentage of Outstanding Principal and Deferred Interset	63.00%
Payments to Holders of Trust Preferred Debt Repurchase Option	$ 0.3
Amount Forfeited if Failing to Purchase Principal or Deferred Interest	$ 0.3
Trust Preferred Debt Repurchase Options Contracts [Member]
Derivative Asset					$ 19.0
Derivative, Gain (Loss) on Derivative, Net, Total			1.4
Payments for Derivative Instrument, Investing Activities			$ 56.5

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