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

Amount classified as notes payable attributable to disposal group held for sale or disposed of.

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