Consolidated Balance Sheets Statement - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 14,318	$ 14,764
Accounts receivable, net of allowance for doubtful accounts of $2,905 and $3,139 at 2017 and 2016, respectively	128,983	114,329
Inventories	35,598	33,720
Prepaid expenses	11,353	10,711
Income taxes receivable	9,067	6,426
Other current assets	6,903	6,511
TOTAL CURRENT ASSETS	206,222	186,461
PROPERTY, PLANT AND EQUIPMENT, net	125,746	129,882
INTANGIBLES, net	9,705	9,936
GOODWILL	179,044	179,044
DEFERRED TAX ASSETS, net	13,748	20,605
OTHER ASSETS	49,293	47,124
TOTAL ASSETS	583,758	573,052
CURRENT LIABILITIES:
Accounts payable	41,607	33,720
Accrued payroll and related costs	22,817	19,411
Taxes other than payroll and income	7,318	5,816
Unearned revenue	17,046	15,690
Income taxes payable	943	15,718
Other current liabilities	11,075	13,668
TOTAL CURRENT LIABILITIES	100,806	104,023
LONG-TERM DEBT, net	233,739	216,488
DEFERRED COMPENSATION	49,308	46,251
DEFERRED TAX LIABILITIES, net	6,146	6,277
OTHER LONG-TERM LIABILITIES	42,307	44,716
COMMITMENTS AND CONTINGENCIES (Note 6)
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 44,128,235 outstanding at 2017 and 44,796,252 issued and 44,151,261 outstanding at 2016	1,148	1,148
Additional paid-in capital	59,043	52,850
Retained earnings	179,631	187,957
Accumulated other comprehensive income (loss)	(9,621)	(9,828)
Treasury shares (at cost), 668,017 at 2017 and 644,991 at 2016	(82,708)	(80,773)
Total Core Laboratories N.V. shareholders' equity	147,493	151,354
Non-controlling interest	3,959	3,943
TOTAL EQUITY	151,452	155,297
TOTAL LIABILITIES AND EQUITY	$ 583,758	$ 573,052