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Note 17 - Concentration of Customers - Revenue and Trade Accounts Receivables (Details) - Customer Concentration Risk [Member] | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Revenue Benchmark [Member] | Customer A [Member] |  |
Concentration risk | 20.60% | 33.70%
Revenue Benchmark [Member] | Customer B [Member] |  |
Concentration risk | 16.00% | 11.30%
Revenue Benchmark [Member] | Customer C [Member] |  |
Concentration risk | 12.90% | 13.90%
Accounts Receivable [Member] | Customer A [Member] |  |
Concentration risk | 20.80% | 30.80%
Accounts Receivable [Member] | Customer B [Member] |  |
Concentration risk | 18.70% | 15.70%
Accounts Receivable [Member] | Customer C [Member] |  |
Concentration risk | 17.50% | 23.60%

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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-20 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 + Details
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