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Note 15 - Severance and Other Charges, Net (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Business Combination, Acquisition Related Costs $ 2,763 $ 0 $ 12,121 $ 0
Impairment of Long-Lived Assets to be Disposed of     200 15,600
Inventory Write-down 0 0 136 368
Impairment of Intangible Assets, Finite-lived 0 $ 0 0 4,708
Cementing Equipment [Member]        
Inventory Write-down       $ 400
Tubular Running Services [Member]        
Inventory Write-down     100  
Merger with Expro [Member]        
Business Combination, Acquisition Related Costs $ 2,800   $ 12,100