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Note 10 - Derivative Financial Instruments - Foreign Currency Exchange Contracts (Details) | Sep. 30, 2023 CAD ($) | Sep. 30, 2023 JPY (¥) | Jun. 30, 2023 CAD ($) | Jun. 30, 2023 JPY (¥)
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Foreign Exchange Contract [Member] |  |  |  |
Derivative, Notional Amount | $ 12,746 | ¥ 2,100,000 | $ 16,600 | ¥ 2,100,000

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A + Details
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- Details
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