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Note 14 - Stock Repurchase Program (Details Textual)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Oct. 02, 2015
USD ($)
shares
Jun. 30, 2022
USD ($)
shares
Jun. 30, 2022
USD ($)
shares
Dec. 31, 2021
shares
Sep. 03, 2021
USD ($)
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) | shares 550,000        
Treasury Stock, Shares, Acquired (in shares) | shares     0 0  
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in shares) | shares   360,212 360,212    
At-the-Market Equity Program [Member]          
Stock Issuance Program, Authorized Amount | $         $ 50.0
Stock Issuance Program, Gross Proceeds, Percent         2.00%
Stock Issued During Period, Shares, New Issues (in shares) | shares   0 0    
ABL Credit Facility [Member]          
Unrestricted Common Stock Purchases, Maximum, Value | $ $ 5.0        
ABL Credit Facility [Member] | Stock Repurchases Value Exceeds 5.0 Million, Option 1 [Member] | Minimum [Member]          
Line of Credit Facility Covenant Terms Percentage of Revolver Commitments 20.00%        
Balance Required for Compliance with Revolver Commitments | $   $ 95.0 $ 95.0    
ABL Credit Facility [Member] | Stock Repurchases Value Exceeds 5.0 Million, Option 2 [Member] | Minimum [Member]          
Line of Credit Facility Covenant Terms Percentage of Revolver Commitments 15.00%        
Balance Required for Compliance with Revolver Commitments | $   $ 71.3 $ 71.3    
Line of Credit Facility Covenant Terms EBITDA Ratio 1.00