Note 7 - Other Current Assets, Net (Details Textual) $ in Thousands	6 Months Ended
Jun. 30, 2022 USD ($)
Working Capital Loan to Unrelated Parties [Member]
Other Receivables, Gross, Current	$ 2,200
Proceeds from Collection of Other Receivables	10
One Short Term Loan [Member]
Financing Receivable, Allowance for Credit Loss, Ending Balance	$ 620

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant