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Note 15 - Foreign Operations (Tables)

9 Months Ended

Mar. 31, 2026

Notes Tables

Segment Reporting, Reconciliation of Revenue by Segment to Consolidated [Table Text Block]

		Three Months Ended								Nine Months Ended
		March 31,								March 31,
		2026				2025				2026				2025
Revenues:
United States		$	10,121,552			$	5,745,895			$	24,403,590			$	16,374,544
Europe			6,978,833				2,267,780				20,775,704				4,857,768
China			1,036,800				711,823				3,210,798				2,036,124
Other Asian countries			791,485				260,432				1,478,072				742,950
Rest of world			221,144				181,697				691,583				981,451
		$	19,149,814			$	9,167,627			$	50,559,747			$	24,992,837

Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block]

		March 31,				June 30,
		2026				2025
Long-lived assets:
United States		$	54,256,805			$	45,982,722
Latvia			4,891,752				4,848,441
China			2,112,990				2,300,608
		$	61,261,547			$	53,131,771

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-31

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-31

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
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