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Note 3 - Discontinued Operations - Components of Discontinued Operations (Details) - USD ($)
May 31, 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