Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
REVENUES:
Revenue	$ 128,356	$ 115,300
OPERATING EXPENSES:
General and administrative expense, exclusive of depreciation expense shown below	16,331	12,545
Depreciation	3,939	4,384
Amortization	105	173
Other (income) expense, net	(28)	1,637
OPERATING INCOME (LOSS)	6,481	(391)
Interest expense	3,429	2,644
Income (loss) before income taxes	3,052	(3,035)
Income tax expense (benefit)	610	(1,196)
Net income (loss)	2,442	(1,839)
Net income (loss) attributable to non-controlling interest	69	49
Net income (loss) attributable to Core Laboratories N.V.	$ 2,373	$ (1,888)
EARNINGS (LOSS) PER SHARE INFORMATION:
Basic earnings (loss) per share	$ 0.05	$ (0.04)
Basic earnings (loss) per share attributable to Core Laboratories N.V.	0.05	(0.04)
Diluted earnings (loss) per share	0.05	(0.04)
Diluted earnings (loss) per share attributable to Core Laboratories N.V.	$ 0.05	$ (0.04)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic	46,634	46,298
Diluted	47,481	46,298
Service [Member]
REVENUES:
Revenue	$ 91,076	$ 84,723
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense shown below	70,934	68,857
Product [Member]
REVENUES:
Revenue	37,280	30,577
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense shown below	$ 30,594	$ 28,095