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Customer Concentrations and Foreign Sales - Schedule of Customer Concentrations and Foreign Sales (Details) - USD ($)	3 Months Ended
	May 31, 2021	May 31, 2020
Total sales	$ 2,416,000	$ 2,673,000
Asia Pacific (APAC)
Total sales	1,222,000	1,923,000
Europe, Middle East, Asia (EMEA)
Total sales	842,000	430,000
Latin America
Total sales	$ 352,000	$ 320,000

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- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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