Note 1 - Summary of Significant Accounting Policies - Basic and Diluted Earnings Per Common Share (Details) - USD ($)	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022
Numerator for basic and diluted net income per share:
Net income from continuing operations	$ 762,789	$ 374,121
Net loss from discontinued operations	(495,820)	(276,324)
Net Income	$ 266,969	$ 97,797
Denominator:
For basic net income per share - weighted average common shares outstanding (in shares)	5,002,238	4,707,384
Effect of dilutive stock options (in shares)	0	0
For diluted net income per share - weighted average common shares outstanding (in shares)	5,002,238	4,707,384
Net income per share - Basic:
Continuing Operations (in dollars per share)	$ 0.15	$ 0.08
Discontinued Operations (in dollars per share)	(0.1)	(0.06)
Net income per share (in dollars per share)	0.05	0.02
Net income per share - Diluted:
Continuing Operations (in dollars per share)	0.15	0.08
Discontinued Operations (in dollars per share)	(0.1)	(0.06)
Net income per share (in dollars per share)	$ 0.05	$ 0.02