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Note 18 - Income Taxes - Summary of Net operating Loss and Tax Credit Carryforwards (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Not Subject to Expiration [Member]
Net operating losses	$ 30,989
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Expiration Years 2024 - 2037 [Member]
Net operating losses	94,886
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Expiration Years 2026 - 2035 [Member]
Tax credits	1,321
State and Local Jurisdiction [Member] | Not Subject to Expiration [Member]
Tax credits	325
State and Local Jurisdiction [Member] | Expiration Years 2028 - 2037 [Member]
Net operating losses	$ 106,784

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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