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Note 2 - Discontinued Operations - Income From Discontinued Operations Before Income Taxes (Details) - USD ($)
12 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Income (loss) before tax $ (400,739) $ (617,425)
Discontinued Operations, Held-for-sale [Member] | Vessels Segment [Member]    
Revenue from external customers 1,598,330
Gross Profit (198,567)
Asset Impairment 289,198
Total Operating Expense 357,709 399,503
Income (loss) from operations (357,709) (598,070)
Income (loss) before tax $ (400,739) $ (617,425)