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 |