Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Lines of Credit (Details Textual)

v3.23.2
Note 13 - Lines of Credit (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jan. 19, 2021
May 31, 2023
May 31, 2022
May 31, 2023
May 31, 2022
Debt Issuance Costs, Line of Credit Arrangements, Gross   $ 100   $ 100  
Amortization of Debt Issuance Costs   $ 10 $ 10 $ 10 $ 10
Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Borrowing Capacity $ 5,000        
Line of Credit Facility, Interest Rate at Period End   8.25%   8.25%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%        
Long-Term Line of Credit, Total   $ 0   $ 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%   7.75%  
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%        
Long-Term Line of Credit, Total   $ 0   $ 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%