Consolidated Balance Sheets Statement - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 14,100	$ 14,400
Accounts receivable, net of allowance for doubtful accounts of $2,841 and $2,590 at 2018 and 2017, respectively	143,325	133,097
Inventories	47,215	33,317
Prepaid expenses	13,308	12,592
Income taxes receivable	9,061	7,508
Other current assets	12,116	6,513
TOTAL CURRENT ASSETS	239,125	207,427
PROPERTY, PLANT AND EQUIPMENT, net	121,945	123,098
INTANGIBLES, net	9,724	9,396
GOODWILL	222,876	179,044
DEFERRED TAX ASSETS	12,977	10,719
OTHER ASSETS	59,950	55,128
TOTAL ASSETS	666,597	584,812
CURRENT LIABILITIES:
Accounts payable	41,012	41,697
Accrued payroll and related costs	25,603	28,887
Taxes other than payroll and income	6,976	7,313
Unearned revenue	15,265	12,627
Income taxes payable	2,569	825
Other current liabilities	12,084	9,227
TOTAL CURRENT LIABILITIES	103,509	100,576
LONG-TERM DEBT, net	295,745	226,989
CONTRACT LIABILITIES	2,378	4,442
DEFERRED COMPENSATION	56,819	52,786
DEFERRED TAX LIABILITIES	7,229	5,323
OTHER LONG-TERM LIABILITIES	39,505	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 44,220,731 outstanding at 2018 and 44,796,252 issued and 44,184,205 outstanding at 2017	1,148	1,148
Additional paid-in capital	61,649	54,463
Retained earnings	171,617	173,855
Accumulated other comprehensive income (loss)	(7,277)	(8,353)
Treasury shares (at cost), 575,521 at 2018 and 612,047 at 2017	(69,699)	(76,269)
Total Core Laboratories N.V. shareholders' equity	157,438	144,844
Non-controlling interest	3,974	3,888
TOTAL EQUITY	161,412	148,732
TOTAL LIABILITIES AND EQUITY	$ 666,597	$ 584,812