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Note 10 - Debt (Details Textual)
$ in Thousands
3 Months Ended
Dec. 29, 2021
USD ($)
Oct. 28, 2021
USD ($)
Oct. 15, 2021
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Sep. 20, 2022
USD ($)
Interest Expense, Operating and Nonoperating       $ 140 $ 182  
Debt Instrument, Covenant, Ratio of Consolidated Funded Debt to Consolidated EBITDA           3
Debt Instrument, Covenant, Fixed Charge Coverage Ratio           1.25
Long-Term Debt       11,017    
Alfamation [Member]            
Long-Term Debt       9,420    
Short-Term Debt       $ 2,130    
Debt, Weighted Average Interest Rate       4.00%    
October 2021 Agreement [Member] | M&T Bank [Member]            
Debt Instrument, Term (Year)     5 years      
Debt Instrument, Interest Rate in Event of Default     2.00%      
October 2021 Agreement [Member] | M&T Bank [Member] | Revolving Credit Facility [Member]            
Line of Credit Facility, Maximum Borrowing Capacity     $ 10,000      
Interest Expense, Operating and Nonoperating       $ 140 $ 182  
October 2021 Agreement [Member] | M&T Bank [Member] | Term Note [Member]            
Debt Instrument, Face Amount     $ 25,000      
Debt Instrument, Draw Period (Year)     2 years      
Proceeds from Issuance of Long-term Debt, Total $ 8,500 $ 12,000        
Debt Instrument, Interest Rate, Effective Percentage   3.20%   7.40%    
Amended Loan Agreement [Member] | M&T Bank [Member]            
Long-Term Line of Credit, Total       $ 0    
Amended Loan Agreement [Member] | M&T Bank [Member] | Term Note [Member]            
Debt Instrument, Face Amount           $ 50,500
Debt Instrument, Unused Borrowing Capacity, Amount       $ 30,000    
Debt Instrument, Long-term, Fixed Interest Rate Debt [Member] | Alfamation [Member]            
Debt, Weighted Average Interest Rate       1.90%    
Debt Instrument, Short-term, Variable Interest Rate Debt [Member] | Alfamation [Member]            
Debt, Weighted Average Interest Rate       5.00%