Consolidated Balance Sheets (Parentheticals) - USD ($)	Feb. 29, 2024	Feb. 28, 2023
Accounts receivable, allowance for credit losses	$ 331,902	$ 666,315
Notes receivable, allowance for credit losses, current	29,886	35,173
Notes receivable, allowance for credit losses, noncurrent	$ 0	$ 38,778
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	250,000	250,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	46,000,000	46,000,000
Common stock, shares issued (in shares)	6,310,543	6,257,137
Common stock, shares outstanding (in shares)	6,310,543	6,257,137