Schedule of Customer Concentrations and Foreign Sales (Details) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Total sales	$ 2,440,000	$ 2,110,000	$ 3,675,000	$ 4,224,000
Asia Pacific [Member]
Total sales	538,000	827,000	1,109,000	1,533,000
EMEA [Member]
Total sales	1,155,000	836,000	1,581,000	1,826,000
Latin America [Member]
Total sales	$ 747,000	$ 447,000	$ 985,000	$ 865,000