Note 3 - Discontinued Operations - Income from Discontinued Operations before Income Taxes (Details) - USD ($)	3 Months Ended	6 Months Ended
May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Income (loss) before tax	$ (27,665)	$ (104,994)	$ (22,789)	$ (180,119)
Discontinued Operations, Held-for-sale [Member] \| Vessels Segment [Member]
Gross Profit	(23,527)	15,976	(23,572)	90,393
Operating Expense	219	112,586	252	258,746
Income (loss) from operations	(23,746)	(96,610)	(23,824)	(168,353)
Income (loss) before tax	(27,665)	(104,994)	(22,789)	(180,119)
Revenue from external customers		$ 443,119		$ 1,122,435

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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