Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands, $ in Thousands |
6 Months Ended | |||
|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
shares
|
Jun. 30, 2025
shares
|
Dec. 31, 2025
USD ($)
shares
|
Dec. 31, 2025
CAD ($)
shares
|
|
| Preferred Stock, Convertible, Shares Issuable (in shares) | 10,342 | 10,077 | 10,077 | |
| Series A Convertible Preferred Stock [Member] | ||||
| Preferred Stock, Convertible, Shares Issuable (in shares) | 10,000,000 | |||
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 7,932,750 | |||
| Series A Convertible Preferred Stock [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 30,000 | |||
| Warrant [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 7,290,816 | |||
| UNITED STATES | ||||
| Cash, Uninsured Amount | $ | $ 9,349 | $ 0 | ||
| CANADA | ||||
| Cash, Uninsured Amount | $ 938 | $ 1,037 | ||