Note 2 - Summary of Significant Accounting Policies - Analysis of Change in Allowance for Bad Debt (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Balance at beginning of period | $ (8,704) | $ (5,741) |
| Credit losses and other | (7,543) | (3,380) |
| Credit recoveries and other | 12,449 | 298 |
| Adjustment associated with Sasol Acquisition | 0 | 0 |
| Foreign currency gain | 889 | 119 |
| Balance at end of period | (6,029) | (8,704) |
| Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | ||
| Balance at beginning of period | $ (3,120) | 0 |
| Balance at end of period | $ (3,120) | |
| X | ||||||||||
- Definition Amount of expense (reversal of expense) and other for expected credit loss on accounts receivable. No definition available.
|
| X | ||||||||||
- Definition Amount of adjustment from business acquisition to allowance for doubtful accounts. No definition available.
|
| X | ||||||||||
- Definition Amount of foreign currency gain (loss) on allowance for doubtful accounts. No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|