Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
REVENUES:
Revenue	$ 115,736	$ 169,038	$ 268,136	$ 338,232
OPERATING EXPENSES:
General and administrative expense, exclusive of depreciation expense shown below	9,221	9,801	28,788	27,238
Depreciation	5,069	5,193	10,111	10,432
Amortization	356	593	755	941
Impairments and other charges			122,204
Inventory write-down	9,932		9,932
Other (income) expense, net	3,045	992	2,075	3,365
OPERATING INCOME (LOSS)	(2,567)	28,008	(111,540)	44,422
Interest expense	3,369	3,714	6,780	7,440
Income (loss) from continuing operations before income tax expense	(5,936)	24,294	(118,320)	36,982
Income tax expense (benefit)	(261)	4,808	(4,307)	(22,802)
Income (loss) from continuing operations	(5,675)	19,486	(114,013)	59,784
Income (loss) from discontinued operations, net of income taxes		7,971		8,230
Net income (loss)	(5,675)	27,457	(114,013)	68,014
Net income (loss) attributable to non-controlling interest	41	43	124	90
Net income (loss) attributable to Core Laboratories N.V.	$ (5,716)	$ 27,414	$ (114,137)	$ 67,924
EARNINGS (LOSS) PER SHARE INFORMATION:
Basic earnings (loss) per share from continuing operations	$ (0.13)	$ 0.44	$ (2.57)	$ 1.35
Basic earnings (loss) per share from discontinued operations		0.18		0.18
Basic earnings (loss) per share attributable to Core Laboratories N.V.	(0.13)	0.62	(2.57)	1.53
Diluted earnings (loss) per share from continuing operations	(0.13)	0.43	(2.57)	1.33
Diluted earnings (loss) per share from discontinued operations		0.18		0.18
Diluted earnings (loss) per share attributable to Core Laboratories N.V.	$ (0.13)	$ 0.61	$ (2.57)	$ 1.51
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	44,470	44,354	44,459	44,339
Assuming Dilution (in shares)	44,470	44,815	44,459	44,848
Service [Member]
REVENUES:
Revenue	$ 91,009	$ 117,874	$ 200,976	$ 238,212
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense and inventory write-down shown below	67,054	86,007	147,995	176,373
Product [Member]
REVENUES:
Revenue	24,727	51,164	67,160	100,020
OPERATING EXPENSES:
Cost of services and product sales exclusive of depreciation expense and inventory write-down shown below	$ 23,626	$ 38,444	$ 57,816	$ 75,461