Customer Concentrations and Foreign Sales - Schedule of Customer Concentrations and Foreign Sales (Details) - USD ($)	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Total sales	$ 11,653,000	$ 9,678,000
Asia Pacific (APAC)
Total sales	5,301,000	4,171,000
Middle East [Member]
Total sales	5,255,000	4,287,000
Latin America
Total sales	$ 1,097,000	$ 1,220,000