XML 52 R40.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Note 5 - Revolving Lines of Credit (Details Textual) - USD ($)
May 07, 2024
Sep. 02, 2021
Aug. 31, 2023
Sep. 01, 2022
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Prime Rate [Member] Secured Overnight Financing Rate (SOFR) [Member]    
Revolving Credit Facility [Member] | Wells Fargo National Association Line of Credit [Member]        
Line of Credit Facility, Maximum Borrowing Capacity   $ 9,500,000   $ 5,000,000
Debt Instrument, Basis Spread on Variable Rate   1.50%    
Long-Term Line of Credit     $ 0