Schedule of Significant Accounting Policies - Fair values of financial assets of the Company (Details) - USD ($)	Aug. 31, 2023	Feb. 28, 2023
Marketable Securities	$ 8,862,000	$ 8,090,000
Fair Value, Inputs, Level 1 [Member]
Marketable Securities	7,798,000	7,361,000
Fair Value, Inputs, Level 2 [Member]
Marketable Securities	1,064,000	729,000
Fair Value, Inputs, Level 3 [Member]
Marketable Securities	$ 0	$ 0