Note 15 - Income Taxes - Net Operating Losses (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2020
USD ($)
| |
| Non-capital Income Tax Losses, Net [Member] | |
| Tax credits | $ 48,815 |
| Tax credits, expiration years | Jan. 01, 2026 |
| Research Tax Credit Carryforward [Member] | |
| Tax credits | $ 3,027 |
| Tax Credits [Member] | |
| Tax credits | $ 484 |
| Tax credits, expiration years | Jan. 01, 2020 |
| X | ||||||||||
- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Expiration date of the tax credit carryforward, in CCYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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