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Note 4 - Line of Credit and Term Loans (Details Textual)
6 Months Ended
Feb. 28, 2023
USD ($)
Feb. 28, 2022
USD ($)
Jun. 30, 2024
USD ($)
Term Loan in Connection with Northbound Acquisition [Member]      
Debt Instrument, Face Amount   $ 1,500,000  
Debt Instrument, Interest Rate, Stated Percentage   4.00%  
Debt Instrument, Term (Month)   36 months  
Obligations to Workers' Compensation Insurance Carrier [Member]      
Letters of Credit Outstanding, Amount     $ 9,200,000
Paycard Funding Account [Member]      
Letters of Credit Outstanding, Amount     $ 500,000
Bank of America [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 50,000,000    
Line of Credit Facility, Maximum Borrowing Capacity, One-time Right, Maximum Amount $ 60,000,000    
Line of Credit, Asset Coverage Ratio 1    
Line of Credit, Total Funded Debt to Adjusted EBITDA Ratio 3    
Line of Credit, Fixed Coverage Ratio 1.25    
Line of Credit Facility, Interest Rate at Period End     6.60%
Gain (Loss) on Extinguishment of Debt     $ 318,000
Bank of America [Member] | Revolving Credit Facility [Member] | Minimum [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.00%    
Bank of America [Member] | Revolving Credit Facility [Member] | Maximum [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.75%    
Bank of America [Member] | Standby Letters of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 20,000,000