v3.23.1
Note 12 - Discontinued Operations (Details Textual) - Discontinued Operations, Disposed of by Sale [Member] - Zenith Freight Lines [Member] - USD ($)
3 Months Ended 6 Months Ended
Feb. 25, 2023
Feb. 26, 2022
Nov. 26, 2022
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax, Net of Working Capital Adjustment     $ 52,534
Disposal Group, Service Agreement with Buyer for Continuation of Services, Term (Year)   7 years  
Disposal Group, Including Discontinued Operation, Interest Expense   $ 78,000  
Logistical Services [Member] | Subsidiaries [Member]      
Related Party Transaction, Amounts of Transaction   $ 9,121,000  
Disposal Group, Including Discontinued Operation, Operating Expense $ 8,434,000