Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 13,206	$ 13,116
Accounts receivable, net of allowance for doubtful accounts of $2,789 and $2,650 at 2019 and 2018, respectively	132,859	129,157
Inventories	50,147	45,664
Prepaid expenses	14,433	15,351
Income taxes receivable	12,517	13,993
Other current assets	13,261	13,696
TOTAL CURRENT ASSETS	236,423	230,977
PROPERTY, PLANT AND EQUIPMENT, net	124,758	122,917
RIGHT OF USE ASSETS	77,537
INTANGIBLES, net	12,887	13,054
GOODWILL	219,139	219,412
DEFERRED TAX ASSETS	64,657	11,252
OTHER ASSETS	56,359	51,215
TOTAL ASSETS	791,760	648,827
CURRENT LIABILITIES:
Accounts payable	44,467	41,155
Accrued payroll and related costs	32,768	22,549
Taxes other than payroll and income	7,071	7,488
Unearned revenue	18,430	17,325
Operating lease liabilities	13,003
Income taxes payable	2,326	2,917
Other current liabilities	10,550	11,113
TOTAL CURRENT LIABILITIES	128,615	102,547
LONG-TERM DEBT, net	294,896	289,770
LONG-TERM OPERATING LEASE LIABILITIES	64,090
DEFERRED COMPENSATION	48,087	49,359
DEFERRED TAX LIABILITIES	29,281	7,634
OTHER LONG-TERM LIABILITIES	39,438	38,617
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 44,333,774 outstanding at 2019 and 44,796,252 issued and 44,316,845 outstanding at 2018	1,148	1,148
Additional paid-in capital	65,084	57,438
Retained earnings	172,266	156,130
Accumulated other comprehensive income (loss)	(5,795)	(5,456)
Treasury shares (at cost), 462,478 at 2019 and 479,407 at 2018	(49,538)	(52,501)
Total Core Laboratories N.V. shareholders' equity	183,165	156,759
Non-controlling interest	4,188	4,141
TOTAL EQUITY	187,353	160,900
TOTAL LIABILITIES AND EQUITY	$ 791,760	$ 648,827