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Note 9 - Debt (Details Textual) - USD ($)
$ in Thousands
Nov. 05, 2018
Oct. 01, 2021
Sep. 30, 2021
ABL Credit Facility [Member] | Revolving Credit Facility [Member] | Secured Debt [Member]      
Line of Credit Facility, Expiration Period (Year) 5 years    
Line of Credit Facility, Maximum Borrowing Capacity $ 100,000    
Long-term Line of Credit, Total     $ 0
ABL Credit Facility [Member] | Letter of Credit [Member] | Secured Debt [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 15,000    
New Credit Facility [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]      
Line of Credit Facility, Maximum Borrowing Capacity   $ 200,000  
New Credit Facility [Member] | Drawdowns as Loans [Member] | Subsequent Event [Member]      
Line of Credit Facility, Maximum Borrowing Capacity   130,000  
New Credit Facility [Member] | Bonds and Guarantees [Member] | Subsequent Event [Member]      
Line of Credit Facility, Maximum Borrowing Capacity   $ 70,000