Note 12 - Shareholders' Equity - Shares Reserved (Details)	Dec. 31, 2025 shares
Common shares reserved for future issuance (in shares)	8,641,160
Stock Options Outstanding [Member]
Common shares reserved for future issuance (in shares)	6,864,854
Deferred Share Units [Member]
Common shares reserved for future issuance (in shares)	174,515
The 2019 Omnibus Incentive Plan [Member]
Common shares reserved for future issuance (in shares)	948,666
The 2021 Employment Inducement Incentive Plan [Member]
Common shares reserved for future issuance (in shares)	653,125