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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Supplemental cash payment information: |  |
Interest paid | $ 26 | $ 25
Income taxes received | (351) | (6,246)
Supplemental non-cash investing and financing activities: |  |
Equity issued - acquisition of JP3 | $ 0 | $ 8,538

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