Consolidated Balance Sheets Statement - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 13,021	$ 14,400
Accounts receivable, net of allowance for doubtful accounts of $2,474 and $2,590 at 2018 and 2017, respectively	136,148	133,097
Inventories	39,855	33,317
Prepaid expenses	13,967	12,592
Income taxes receivable	11,899	7,508
Other current assets	10,772	6,513
TOTAL CURRENT ASSETS	225,662	207,427
PROPERTY, PLANT AND EQUIPMENT, net	122,787	123,098
INTANGIBLES, net	9,786	9,396
GOODWILL	178,129	179,044
DEFERRED TAX ASSETS	11,498	10,719
OTHER ASSETS	56,882	55,128
TOTAL ASSETS	604,744	584,812
CURRENT LIABILITIES:
Accounts payable	45,278	41,697
Accrued payroll and related costs	21,427	28,887
Taxes other than payroll and income	6,986	7,313
Unearned revenue	12,608	12,627
Income taxes payable	1,167	825
Other current liabilities	13,125	9,227
TOTAL CURRENT LIABILITIES	100,591	100,576
LONG-TERM DEBT, net	241,687	226,989
CONTRACT LIABILITIES	4,664	4,442
DEFERRED COMPENSATION	54,634	52,786
DEFERRED TAX LIABILITIES	6,471	5,323
OTHER LONG-TERM LIABILITIES	38,923	45,964
COMMITMENTS AND CONTINGENCIES (Note 8)
Preference shares, EUR 0.02 par value; 6,000,000 shares authorized, none issued or outstanding	0	0
Common shares, EUR 0.02 par value; 200,000,000 shares authorized, 44,796,252 issued and 44,203,536 outstanding at 2018 and 44,796,252 issued and 44,184,205 outstanding at 2017	1,148	1,148
Additional paid-in capital	58,927	54,463
Retained earnings	173,499	173,855
Accumulated other comprehensive income (loss)	(7,490)	(8,353)
Treasury shares (at cost), 592,716 at 2018 and 612,047 at 2017	(72,301)	(76,269)
Total Core Laboratories N.V. shareholders' equity	153,783	144,844
Non-controlling interest	3,991	3,888
TOTAL EQUITY	157,774	148,732
TOTAL LIABILITIES AND EQUITY	$ 604,744	$ 584,812