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Note 19 - Subsequent Events (Details Textual) - USD ($)
2 Months Ended 12 Months Ended
Jul. 01, 2021
Mar. 16, 2021
Mar. 15, 2021
Mar. 15, 2021
Dec. 31, 2020
Dec. 31, 2019
Feb. 13, 2019
Proceeds from Lines of Credit, Total         $ 20,000,000 $ 0  
Revolving Credit Facility [Member]              
Line of Credit Facility, Maximum Borrowing Capacity             $ 75,000,000
Letter of Credit [Member]              
Line of Credit Facility, Maximum Borrowing Capacity             $ 7,500,000
Term Facility [Member] | Forecast [Member] | London Interbank Offered Rate (LIBOR) [Member]              
Debt Instrument, Basis Spread on Variable Rate if Total Average Leverage Ratio is Greater or Equal to 3.25 7.00%            
Debt Instrument, Basis Spread on Variable Rate if Total Average Leverage Ratio is Less Than 3.25 6.50%            
Term Facility [Member] | Forecast [Member] | Prime Rate [Member]              
Debt Instrument, Basis Spread on Variable Rate if Total Average Leverage Ratio is Greater or Equal to 3.25 6.00%            
Debt Instrument, Basis Spread on Variable Rate if Total Average Leverage Ratio is Less Than 3.25 5.50%            
Subsequent Event [Member] | Term Facility [Member]              
Debt Instrument, Face Amount     $ 130,000,000 $ 130,000,000      
Subsequent Event [Member] | Term Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]              
Debt Instrument, Basis Spread on Variable Rate     1.00%        
Subsequent Event [Member] | The ABL Facility [Member] | Revolving Credit Facility [Member]              
Line of Credit Facility, Maximum Borrowing Capacity     $ 150,000,000 150,000,000      
Line of Credit Facility, Additional Borrowing Capacity upon Request     50,000,000 50,000,000      
Line of Credit Facility, Remaining Borrowing Capacity   $ 150,000,000          
Proceeds from Lines of Credit, Total   80,000,000          
Debt Instrument, Collateral Fee   $ 75,000          
Subsequent Event [Member] | The ABL Facility [Member] | Letter of Credit [Member]              
Line of Credit Facility, Maximum Borrowing Capacity     $ 5,000,000 $ 5,000,000      
Honeywell International, Inc. [Member]              
Business Combination, Acquisition Related Costs         $ 705,000    
Honeywell International, Inc. [Member] | Subsequent Event [Member]              
Business Acquisition, Percentage of Voting Interests Acquired     100.00% 100.00%      
Business Combination, Consideration Transferred, Total       $ 230,000,000      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)       25,000