2. Significant Accounting Policies - Sales per Revenue Stream (Details) - USD ($)	3 Months Ended
May 31, 2026	May 31, 2025
Revenues	$ 2,651,095	$ 2,134,026
Outside U S A Internally Designed Manufactured Sales [Member]
Revenues	215,349	338,862
Outside U S A Distribution Agreement Sales [Member]
Revenues	2,155,651	1,645,101
Inside U S A Internally Designed Manufactured Sales [Member]
Revenues	$ 280,095	$ 150,063

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details