Note 1 - Summary of Significant Accounting Policies - Basic and Diluted Earnings Per Common Share (Details) (USD $)	12 Months Ended
	Nov. 30, 2014	Nov. 30, 2013
Basic:
Net income	$ 935,247	$ 1,551,376
Average number of common shares outstanding (in shares)	4,047,796	4,039,530
Basic earnings per common share (in dollars per share)	$ 0.23	$ 0.38
Diluted:
Net income	$ 935,247	$ 1,551,376
Average number of common shares outstanding (in shares)	4,047,796	4,039,530
Effect of dilutive stock options (in shares)	4,907	10,261
Denominator: dilutive average number of common shares outstanding (in shares)	4,052,703	4,049,791
Diluted earnings per common share (in dollars per share)	$ 0.23	$ 0.38