CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 1,061,700	$ (801,900)	$ 188,900	$ (586,100)
Other comprehensive income:
Unrealized gain on interest rate exchange agreement	51,100	0	51,100	0
Comprehensive income (loss)	$ 1,112,800	$ (801,900)	$ 240,000	$ (586,100)