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Note 10 - Income Tax - Summary of Operating Loss Carryforwards (Details) - Sep. 30, 2024 | USD ($) | CAD ($)
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Domestic Tax Jurisdiction [Member] |  |
Operating loss carryforwards |  | $ 58,262,000
Domestic Tax Jurisdiction [Member] | Tax Year 2025 [Member] |  |
Operating loss carryforwards |  | 16,000
Domestic Tax Jurisdiction [Member] | Tax Year 2039 [Member] |  |
Operating loss carryforwards |  | 1,279,000
Domestic Tax Jurisdiction [Member] | Tax Year 2040 [Member] |  |
Operating loss carryforwards |  | 5,904,000
Domestic Tax Jurisdiction [Member] | Tax Year 2026 [Member] |  |
Operating loss carryforwards |  | 41,000
Domestic Tax Jurisdiction [Member] | Tax Year 2041 [Member] |  |
Operating loss carryforwards |  | 9,366,000
Domestic Tax Jurisdiction [Member] | Tax Year 2042 [Member] |  |
Operating loss carryforwards |  | 16,191,000
Domestic Tax Jurisdiction [Member] | Tax Year 2027 [Member] |  |
Operating loss carryforwards |  | 84,000
Domestic Tax Jurisdiction [Member] | Tax Year 2044 [Member] |  |
Operating loss carryforwards |  | 6,260,000
Domestic Tax Jurisdiction [Member] | Tax Year 2028 [Member] |  |
Operating loss carryforwards |  | 171,000
Domestic Tax Jurisdiction [Member] | Tax Year 2029 [Member] |  |
Operating loss carryforwards |  | 507,000
Domestic Tax Jurisdiction [Member] | Tax Year 2030 [Member[ |  |
Operating loss carryforwards |  | 633,000
Domestic Tax Jurisdiction [Member] | Tax Year 2031 [Member] |  |
Operating loss carryforwards |  | 504,000
Domestic Tax Jurisdiction [Member] | Tax Year 2032 [Member] |  |
Operating loss carryforwards |  | 496,000
Domestic Tax Jurisdiction [Member] | Tax Year 2033 [Member] |  |
Operating loss carryforwards |  | 79,000
Domestic Tax Jurisdiction [Member] | Tax Year 2034 [Member] |  |
Operating loss carryforwards |  | 1,432,000
Domestic Tax Jurisdiction [Member] | Tax Year 2035 [Member] |  |
Operating loss carryforwards |  | 1,628,000
Domestic Tax Jurisdiction [Member] | Tax Year 2036 [Member] |  |
Operating loss carryforwards |  | 1,637,000
Domestic Tax Jurisdiction [Member] | Tax Year 2037 [Member] |  |
Operating loss carryforwards |  | 1,564,000
Domestic Tax Jurisdiction [Member] | Tax Year 2038 [Member] |  |
Operating loss carryforwards |  | 2,580,000
Domestic Tax Jurisdiction [Member] | Tax Year 2043 [Member] |  |
Operating loss carryforwards |  | $ 7,890,000
Foreign Tax Jurisdiction [Member] |  |
Operating loss carryforwards | $ 335,000 |
Foreign Tax Jurisdiction [Member] | Tax Year 2039 [Member] |  |
Operating loss carryforwards | 70,000 |
Foreign Tax Jurisdiction [Member] | Tax Year 2040 [Member] |  |
Operating loss carryforwards | 150,000 |
Foreign Tax Jurisdiction [Member] | Tax Year 2041 [Member] |  |
Operating loss carryforwards | 68,000 |
Foreign Tax Jurisdiction [Member] | Tax Year 2042 [Member] |  |
Operating loss carryforwards | 6,000 |
Foreign Tax Jurisdiction [Member] | Tax Year 2044 [Member] |  |
Operating loss carryforwards | $ 41,000 |

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-3 + Details
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