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Note 8 - Operating Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Weighted-average remaining lease term (years) (Year) | 4 years 3 months 18 days | 4 years 6 months
Weighted-average discount rate | 4.50% | 4.50%
Other Noncurrent Assets [Member] |  |
Operating lease right-of-use asset | $ 2,131 | $ 2,581
Accrued Expenses and Other Current Liabilities [Member] |  |
Current operating lease liability | 859 | 867
Other Noncurrent Liabilities [Member] |  |
Operating lease liability, net of current portion | 1,312 | 1,743
Accrued Expenses and Other Current Liabilites and Other Noncurrent Liabilities [Member] |  |
Total operating lease liability | $ 2,171 | $ 2,610

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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