CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Total revenue	$ 72,827	$ 60,959
Cost of revenue, exclusive of depreciation and amortization shown below:
Total cost of revenue, exclusive of depreciation and amortization	48,073	41,668
Operating expenses:
Research and development	4,828	5,550
Sales and marketing	5,540	4,850
General and administrative	16,967	13,743
Change in fair value of acquisition-related contingent consideration expense	700	1,176
Depreciation and amortization	9,913	6,299
Total operating expenses	37,948	31,618
Loss from operations	(13,194)	(12,327)
Interest expense, net	4,610	2,693
Loss before income taxes	(17,804)	(15,020)
Income tax benefit	(3,367)	(4,041)
Net loss	$ (14,437)	$ (10,979)
Net loss per share, basic and diluted (in dollars per share)	$ (0.68)	$ (0.54)
Weighted average shares of common stock outstanding, basic and diluted (in shares)	21,374,897	20,384,557
Product
Revenue:
Total revenue	$ 37,087	$ 30,982
Cost of revenue, exclusive of depreciation and amortization shown below:
Total cost of revenue, exclusive of depreciation and amortization	27,199	23,475
Service
Revenue:
Total revenue	35,740	29,977
Cost of revenue, exclusive of depreciation and amortization shown below:
Total cost of revenue, exclusive of depreciation and amortization	$ 20,874	$ 18,193