Segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) segment	Mar. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	2
Number of reportable segments | segment	2
Financial information relating to the Company’s operating segments
Net Sales	$ 115,066	$ 67,029
Operating income (loss)	(3,085)	4,795
Interest expense	(1,765)	(464)
Other income, net	(96)	(3)
Identifiable assets	192,979	98,160
Foreign currency loss, net	(78)	(49)
Depreciation expense	1,250	536
Amortization expense	1,140	260
Operating Segments | Products
Financial information relating to the Company’s operating segments
Net Sales	97,851	67,029
Operating income (loss)	8,949	7,759
Identifiable assets	146,605	97,753
Depreciation expense	462	475
Operating Segments | Services
Financial information relating to the Company’s operating segments
Net Sales	17,215
Operating income (loss)	(356)
Identifiable assets	39,835
Depreciation expense	547
Corporate, Non-Segment
Financial information relating to the Company’s operating segments
Operating income (loss)	(11,678)	(2,964)
Interest expense	(1,765)	(464)
Other income, net	(96)	(3)
Identifiable assets	6,539	407
Foreign currency loss, net	(78)	(49)
Depreciation expense	241	61
Amortization expense	$ 1,140	$ 260