Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Lines of Credit (Details Textual)

v3.23.1
Note 13 - Lines of Credit (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Jan. 19, 2021
Feb. 28, 2023
Feb. 28, 2022
Debt Issuance Costs, Line of Credit Arrangements, Gross   $ 100  
Amortization of Debt Issuance Costs   $ 10 $ 10
Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 5,000    
Line of Credit Facility, Interest Rate at Period End   7.75%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%    
Long-Term Line of Credit, Total   $ 0  
Revolving Credit Facility [Member] | Minimum [Member]      
Debt Instrument, Interest Rate, Stated Percentage 4.00%    
Revolving Credit Facility [Member] | Prime Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate 0.50%    
Equipment Financing Line of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 1,500    
Line of Credit Facility, Interest Rate at Period End   7.75%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%    
Long-Term Line of Credit, Total   $ 0  
Equipment Financing Line of Credit [Member] | Minimum [Member]      
Debt Instrument, Interest Rate, Stated Percentage 4.00%    
Equipment Financing Line of Credit [Member] | Prime Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate 0.50%