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Note 2 - Discontinued Operations - Components of Discontinued Operations (Details) - USD ($) | Nov. 30, 2018 | Nov. 30, 2017
--- | --- | ---
Notes payable |  | $ 599,584
Discontinued Operations, Held-for-sale [Member] | Vessels Segment [Member] |  |
Cash |  | 2,454
Property, plant, and equipment, net |  | 1,425,000
Assets of discontinued operations |  | 1,427,454
Accrued expenses |  | 49,931
Notes payable |  | 599,584
Liabilities of discontinued operations |  | $ 649,515

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