Note 3 - Income from Discontinued Operations before Income Taxes (Details) - USD ($)	3 Months Ended	9 Months Ended
Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Discontinued Operations, Held-for-sale [Member] \| Vessels Segment [Member]
Revenue from external customers	$ 358,253	$ 371,751	$ 1,480,688	$ 1,374,384
Gross Profit	(97,357)	3,278	(6,965)	108,935
Operating Expense	104,113	108,048	362,859	280,039
Income (loss) from operations	(201,470)	(104,770)	(369,824)	(171,104)
Income (loss) before tax	(207,203)	(113,122)	(387,321)	(191,146)
Income (loss) before tax	$ (207,203)	$ (113,122)	$ (387,321)	$ (191,146)

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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