Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
REVENUES:
Revenue	$ 105,382	$ 173,200	$ 373,518	$ 511,432
OPERATING EXPENSES:
General and administrative expense, exclusive of depreciation expense shown below	8,937	11,012	37,725	38,250
Depreciation	4,967	5,199	15,078	15,631
Amortization	197	498	952	1,439
Impairments and other charges			122,204
Inventory write-down			9,932
Other (income) expense, net	(1,088)	(712)	987	2,653
OPERATING INCOME (LOSS)	11,331	31,207	(100,209)	75,629
Interest expense	4,672	3,662	11,452	11,102
Income (loss) from continuing operations before income tax expense	6,659	27,545	(111,661)	64,527
Income tax expense (benefit)	3,663	3,335	(644)	(19,467)
Income (loss) from continuing operations	2,996	24,210	(111,017)	83,994
Income (loss) from discontinued operations, net of income taxes		(397)		7,833
Net income (loss)	2,996	23,813	(111,017)	91,827
Net income (loss) attributable to non-controlling interest	33	84	157	174
Net income (loss) attributable to Core Laboratories N.V.	$ 2,963	$ 23,729	$ (111,174)	$ 91,653
EARNINGS (LOSS) PER SHARE INFORMATION:
Basic earnings (loss) per share from continuing operations	$ 0.07	$ 0.55	$ (2.50)	$ 1.89
Basic earnings (loss) per share from discontinued operations		(0.01)		0.18
Basic earnings (loss) per share attributable to Core Laboratories N.V.	0.07	0.53	(2.50)	2.07
Diluted earnings (loss) per share from continuing operations	0.07	0.54	(2.50)	1.87
Diluted earnings (loss) per share from discontinued operations		(0.01)		0.17
Diluted earnings (loss) per share attributable to Core Laboratories N.V.	$ 0.07	$ 0.53	$ (2.50)	$ 2.04
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	44,491	44,371	44,470	44,349
Assuming Dilution (in shares)	44,899	44,716	44,470	44,854
Service [Member]
REVENUES:
Revenue	$ 86,250	$ 120,817	$ 287,226	$ 359,029
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense and inventory write-down shown below	63,802	86,243	211,797	262,616
Product [Member]
REVENUES:
Revenue	19,132	52,383	86,292	152,403
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense and inventory write-down shown below	$ 17,236	$ 39,753	$ 75,052	$ 115,214