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Note 2 - Summary of Significant Accounting Policies (Details Textual)
shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
shares
Book Overdrafts $ 0.6 $ 4.1  
Workers' Compensation Liability 1.6 1.7  
Accrued Bonuses, Current 8.0 3.7  
Foreign Currency Transaction Gain (Loss), Realized $ 0.5 $ (0.5) $ (1.1)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares 0 0 0
Number of Customers with Receivable Balance in Excess of Ten Percent of Receivables 1 0  
Accrued Liability [Member]      
Workers' Compensation Liability, Current $ 0.5 $ 0.4  
Other Long-term Liabilities [Member]      
Workers' Compensation Liability, Noncurrent $ 1.1 $ 1.3  
Minimum [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 3 years    
Maximum [Member]      
Finite-Lived Intangible Asset, Useful Life (Year) 21 years    
Land Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 15 years    
Land Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 30 years    
Building [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 20 years    
Building [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 40 years    
Leasehold Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 5 years    
Leasehold Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 30 years    
Machinery and Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 3 years    
Machinery and Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 30 years