Note 3 - Net Income (Loss) Per Share of Common Stock (Details) - Computation of Basic and Diluted Earnings (Loss) Per Common Share (USD $)	3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Basic:
Numerator: net income (loss) (in Dollars)	$ 253,155	$ 514,240	$ (5,159)	$ 1,333,500
Average number of common shares outstanding	4,047,487	4,037,552	4,047,025	4,036,302
Effect of dilutive stock options	6,260	14,140	0	13,178
Denominator: dilutive average number of common shares outstanding	4,053,747	4,051,692	4,047,025	4,049,480
Diluted earnings per common share (in Dollars per share)	$ 0.06	$ 0.13	$ 0.00	$ 0.33
Basic earnings per common share (in Dollars per share)	$ 0.06	$ 0.13	$ 0.00	$ 0.33