Note 16 - Income Taxes - Summary of Reconciliation of Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Beginning balance	$ 918	$ 823
Addition for current year tax positions	98	84
Addition for prior year tax positions	30	11
Reduction for prior year positions	0	0
Reduction for prior year positions resolved during the current year	0	0
Ending balance	$ 1,046	$ 918

Amount of unrecognized tax benefits.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-SubTopic 10
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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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