Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Feb. 28, 2026	Nov. 30, 2025
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	500,000	500,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	9,500,000	9,500,000
Common stock, issued (in shares)	5,295,673	5,225,423
Treasury stock, shares (in shares)	113,589	113,589