Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 13,116	$ 14,400
Accounts receivable, net of allowance for doubtful accounts of $2,650 and $2,590 at 2018 and 2017, respectively	129,157	133,097
Inventories, net	45,664	33,317
Prepaid expenses	15,351	12,592
Income taxes receivable	13,993	7,508
Other current assets	13,696	6,513
TOTAL CURRENT ASSETS	230,977	207,427
PROPERTY, PLANT AND EQUIPMENT, net	122,917	123,098
INTANGIBLES, net	13,054	9,396
GOODWILL	219,412	179,044
DEFERRED TAX ASSETS, net	11,252	10,719
OTHER ASSETS	51,215	55,128
TOTAL ASSETS	648,827	584,812
CURRENT LIABILITIES:
Accounts payable	41,155	41,697
Accrued payroll and related costs	22,549	28,887
Taxes other than payroll and income	7,488	7,313
Unearned revenues	17,325	12,627
Income taxes payable	2,917	825
Other accrued expenses	11,113	9,227
TOTAL CURRENT LIABILITIES	102,547	100,576
LONG-TERM DEBT, net	289,770	226,989
CONTRACT LIABILITIES	1,401	4,442
DEFERRED COMPENSATION	49,359	52,786
DEFERRED TAX LIABILITIES, net	7,634	5,323
Other long-term liabilities	37,216	45,964
COMMITMENTS AND CONTINGENCIES
EQUITY:
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 44,316,845 outstanding at 2018 and 44,796,252 issued and 44,184,205 outstanding at 2017	1,148	1,148
Additional paid-in capital	57,438	54,463
Retained earnings	156,130	173,855
Accumulated other comprehensive income (loss)	(5,456)	(8,353)
Treasury shares (at cost), 479,407 at 2018 and 612,047 at 2017	(52,501)	(76,269)
Total Core Laboratories N.V. shareholders' equity	156,759	144,844
Non-controlling interest	4,141	3,888
TOTAL EQUITY	160,900	148,732
TOTAL LIABILITIES AND EQUITY	$ 648,827	$ 584,812