CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues
Revenues	$ 52,850	$ 70,686
Cost of sales
Cost of product sales, exclusive of depreciation and amortization expense shown below	16,746	24,703
Cost of services, exclusive of depreciation and amortization expense shown below	10,017	8,889
Total cost of sales, exclusive of depreciation and amortization expense shown below	26,763	33,592
Selling, general and administrative expenses	23,026	21,027
Depreciation	1,426	1,099
Amortization	1,161	3,321
Change in fair value of contingent consideration	37	(1,353)
Income from operations	437	13,000
Other income (expense)
Interest expense, net	(517)	(457)
Other income, net	73	84
Foreign currency exchange (loss) gain	(297)	183
Total other expense	(741)	(190)
(Loss) income before income tax	(304)	12,810
Income tax expense	9,574	945
Net (loss) income	(9,878)	11,865
Net income attributable to non-controlling interest	2,088	887
Net (loss) income attributable to NCS Multistage Holdings, Inc.	$ (11,966)	$ 10,978
(Loss) earnings per common share
Basic (loss) earnings per common share attributable to NCS Multistage Holdings, Inc. (in dollars per share)	$ (0.26)	$ 0.24
Diluted (loss) earnings per common share attributable to NCS Multistage Holdings, Inc. (in dollars per share)	$ (0.26)	$ 0.23
Weighted average common shares outstanding
Basic	45,974,000	44,252,000
Diluted	45,974,000	47,114,000
Product sales [Member]
Revenues
Revenues	$ 37,232	$ 50,108
Services [Member]
Revenues
Revenues	$ 15,618	$ 20,578