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Note 3 - Allowance for Credit Losses - Schedule for Allowance for Credit Losses on Financing Receivables (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 USD ($)
Trade Accounts Receivable [Member] |
Balance | $ 1,948
Current period provision for expected credit losses | 39
Acquisition of Sonatide joint venture (see Note 7) | 0
Other | 0
Balance | 1,987
Due from Affiliate [Member] |
Balance | 72,456
Current period provision for expected credit losses | 0
Acquisition of Sonatide joint venture (see Note 7) | (59,678)
Other | 34
Balance | $ 12,812

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