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v3.26.1

Note 16 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2025
Notes Tables |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | Year Ended December 31, |
|  | 2025 |  |  | 2024 |
Domestic (Canada) |  | $ | (33,119 | ) |  | $ | (24,452 | )
Foreign |  |  | 381 |  |  |  | 38 |
Loss before income tax expense |  | $ | (32,738 | ) |  | $ | (24,414 | )
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | December 31, |
|  | 2025 |  |  | 2024 |
Current |  |  |  |  |  |  |  |
Federal |  | $ | 24 |  |  | $ | 28 |
State |  |  | — |  |  |  | — |
Foreign |  |  | 4 |  |  |  | 2 |
Total current |  | $ | 28 |  |  | $ | 30 |
Deferred |  |  |  |  |  |  |  |
Federal |  | $ | — |  |  | $ | — |
State |  |  | — |  |  |  | — |
Foreign |  |  | — |  |  |  | — |
Total deferred |  | $ | — |  |  | $ | — |
Total income tax expense |  | $ | 28 |  |  | $ | 30 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | December 31, 2025 |  |  | December 31, 2024 |
|  | Amount |  |  | Percent |  |  | Amount |  |  | Percent |
Loss before income tax expense |  | $ | (32,738 | ) |  |  |  |  |  | $ | (24,414 | ) |  |  |  |
Canadian federal statutory rate |  |  | (4,911 | ) |  |  | 15.0 | % |  |  | (3,662 | ) |  |  | 15.0 | %
Canadian provincial and local income tax rate |  |  | (3,640 | ) |  |  | 11.1 | % |  |  | (2,719 | ) |  |  | 11.1 | %
Foreign tax effects |  |  | (74 | ) |  |  | 0.2 | % |  |  | 13 |  |  |  | (0.1 | )%
Nontaxable or nondeductible items |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation |  |  | 515 |  |  |  | (1.6 | )% |  |  | 273 |  |  |  | (1.1 | )%
Share issuance costs |  |  | (149 | ) |  |  | 0.5 | % |  |  | (8 | ) |  |  | 0.1 | %
Other |  |  | (4 | ) |  |  | 0.0 | % |  |  | — |  |  |  | 0.0 | %
Changes in valuation allowance |  |  | 8,291 |  |  |  | (25.3 | )% |  |  | 6,133 |  |  |  | (25.1 | )%
Actual income tax expense |  | $ | 28 |  |  |  | (0.1 | )% |  | $ | 30 |  |  |  | (0.1 | )%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | December 31, |
|  | 2025 |  |  | 2024 |
Deferred tax assets (liabilities): |  |  |  |  |  |  |  |
Non-capital losses carried forward |  | $ | 40,316 |  |  | $ | 32,240 |
Research and development expenditures |  |  | 817 |  |  |  | 817 |
Patents and other |  |  | 460 |  |  |  | 400 |
Share-based compensation |  |  | 419 |  |  |  | 284 |
Share issue costs |  |  | 379 |  |  |  | 275 |
Accruals |  |  | 92 |  |  |  | 256 |
Property and equipment |  |  | (71 | ) |  |  | (89 | )
Total deferred tax asset, net |  |  | 42,412 |  |  |  | 34,183 |
Valuation allowance |  |  | (42,412 | ) |  |  | (34,183 | )
Net deferred tax asset |  | $ | — |  |  | $ | — |
Summary of Valuation Allowance [Table Text Block] |
|  | December 31, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Balance at beginning of the year |  | $ | 34,183 |  |  | $ | 28,039 |
Increase based on tax positions related to current period |  |  | 8,229 |  |  |  | 6,144 |
Increase based on tax positions related to prior periods |  |  | — |  |  |  | — |
Balance at end of the year |  | $ | 42,412 |  |  | $ | 34,183 |
Summary of Operating Loss Carryforwards [Table Text Block] |
|  | Amount (In thousands) |  | Expiration Years
Non-capital income tax losses, net – domestic |  | $ | 145,679 |  | Beginning 2027
Non-capital income tax losses, net – foreign |  |  | — |  |
Research and development expense carry forwards |  |  | 3,027 |  | Indefinitely
Tax credits |  |  | 473 |  | Beginning 2026

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
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