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Note 5 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | May 06, 2022 | Jun. 24, 2019
Estimated Litigation Liability, Current |  | $ 0 | $ 6,200 |  | $ 6,200
Settlement Agreement Amount |  |  |  | $ 4,800 |
Gain (Loss) Related to Litigation Settlement | $ 1,400 | $ 1,400 | $ (0) |  |
Minimum [Member] |  |  |  |  |
Lease Term (Year) |  | 1 year |  |  |
Maximum [Member] |  |  |  |  |
Lease Term (Year) |  | 14 years |  |  |

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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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- Definition Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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