Note 8 - Concentrations (Details Textual) |
12 Months Ended | |
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Mar. 31, 2026
USD ($)
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Mar. 31, 2025
USD ($)
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| Revenue | $ 3,347,082 | $ 3,197,110 |
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | ||
| Concentration Risk, Number of Customers | 2 | 2 |
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customers [Member] | ||
| Concentration Risk, Percentage | 46.00% | 48.00% |
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Foreign Customers [Member] | ||
| Concentration Risk, Percentage | 16.00% | 11.00% |
| Revenue | $ 537,205 | $ 340,977 |
| Accounts Receivable [Member] | Customer Concentration Risk [Member] | ||
| Concentration Risk, Number of Customers | 2 | 2 |
| Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member] | ||
| Concentration Risk, Percentage | 51.00% | 55.00% |
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- Definition The number of customers pertaining to a concentration risk. No definition available.
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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