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Note 10 - Derivatives (Details Textual) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Sep. 26, 2022
Aug. 02, 2022
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Sep. 20, 2022
Sep. 15, 2022
Apr. 01, 2021
Interest Rate Cap [Member] | CIBC Bank USA [Member]                    
Derivative, Notional Amount                   $ 11.9
Interest Rate Cap [Member] | CIBC Bank USA [Member] | Interest Expense [Member]                    
Derivative, Gain (Loss) on Derivative, Net     $ (0.1) $ 0.1 $ (0.1) $ 0.3        
Payments for Derivative Instrument, Investing Activities     0.1 $ 0.1 0.2 $ 0.1        
Interest Rate Cap [Member] | CIBC Bank USA [Member] | Other Receivables [Member]                    
Derivative, Notional Amount     7.7   7.7          
Derivative Asset     $ 0.2   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         1.4          
Payments for Derivative Instrument, Investing Activities         $ 56.5