Note 1 - Summary of Significant Account Policies (Detail) - Basic and diluted earnings per common share (USD $)	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
Basic:
Numerator, net income (in Dollars)	$ 2,665,087	$ 1,248,895
Average number of common shares Outstanding	4,032,643	4,018,196
Effect of dilutive stock options	16,873	31,072
Denominator: Dilutive average number of common shares outstanding	4,049,516	4,049,268
Diluted earnings per common share (in Dollars per share)	$ 0.66	$ 0.31
Basic earnings per common share (in Dollars per share)	$ 0.66	$ 0.31