Note 20 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Unrecorded Unconditional Purchase Obligation, Minimum Contract Period (Year) | 1 year | ||
| Unrecorded Unconditional Purchase Obligation, Purchases | $ 6 | $ 2 | $ 1 |
| X | ||||||||||
- Definition Represents minimum contracts period which require minimum volume purchases in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes. No definition available.
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| X | ||||||||||
- Definition The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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