Note 15 - Foreign Operations (Details Textual) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Jun. 30, 2026 |
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| Accumulated Other Comprehensive Income (Loss), Net of Tax | $ 1,367,664 | $ 1,308,868 | |
| Gain (Loss), Foreign Currency Transaction, after Tax | 40,000.00 | $ 40,000.00 | |
| Cash and Cash Equivalent | $ 82,934,165 | $ 93,204,655 | |
| Cash Benchmark [Member] | Geographic Concentration Risk [Member] | Non-US [Member] | |||
| Concentration Risk, Percentage | 6.00% | ||
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- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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, after tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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