Note 8 - Shareholders' Equity - Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Net income (loss)	$ (408)	$ (713)	$ (504)	$ (943)
Weighted average common shares outstanding, basic (in shares)	5,878	5,878	5,878	5,878
Basic weighted average shares outstanding (in shares)	5,878	5,878	5,878	5,878
Loss per share, basic (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.09)	$ (0.16)
Net income (loss) per share - basic (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.09)	$ (0.16)
Effect of dilutive securities	$ 0	$ 0	$ 0	$ 0
Dilutive shares adjustment (in shares)	0	0	0	0
Net loss, diluted	$ (408)	$ (713)	$ (504)	$ (943)
Diluted weighted average shares outstanding (in shares)	5,878	5,878	5,878	5,878
Net income (loss) per share - diluted (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.09)	$ (0.16)