Note 2 - Discontinued Operations - Income From Discontinued Operations Before Income Taxes (Details) - USD ($)	12 Months Ended
Nov. 30, 2018	Nov. 30, 2017
(Loss) before tax	$ (67,177)	$ (400,739)
Discontinued Operations, Held-for-sale [Member] \| Vessels Segment [Member]
Revenue from external customers
Gross profit
Total operating expense	51,133	357,709
(Loss) from operations	(51,133)	(357,709)
(Loss) before tax	$ (67,177)	$ (400,739)

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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