Note 13 - Equity Incentive Plan - Summary of the Status of the Company's Non-vested Shares (Details)	12 Months Ended
	Nov. 30, 2016 $ / shares shares
Non-vested at Beginning of Period, Shares (in shares) | shares	5,000
Non-vested at Beginning of Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares
Vested, Non-vested Shares (in shares) | shares	(5,000)
Vested, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares	$ 1.14
Forfeited, Non-vested Shares (in shares) | shares
Forfeited, Non-vested Options, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares
Non-vested at End of Period, Shares (in shares) | shares
Non-vested at End of Period, Weighted Average Grant Date Fair Value (in dollars per share) | $ / shares