CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue:
Total revenue	$ 76,834	$ 76,255	$ 149,661	$ 137,214
Cost of revenue, exclusive of depreciation and amortization shown below:
Total cost of revenue, exclusive of depreciation and amortization	51,698	45,156	99,771	86,824
Operating expenses:
Research and development	3,821	5,197	8,649	10,747
Sales and marketing	5,027	6,871	10,567	11,721
General and administrative	16,327	12,883	33,294	26,626
Change in fair value of acquisition-related contingent consideration (income) expense	(100)	1,830	600	3,006
Depreciation and amortization	10,211	9,078	20,124	15,377
Total operating expenses	35,286	35,859	73,234	67,477
Loss from operations	(10,150)	(4,760)	(23,344)	(17,087)
Interest expense, net	4,668	4,308	9,278	7,001
Loss before income taxes	(14,818)	(9,068)	(32,622)	(24,088)
Income tax benefit	(508)	(2,539)	(3,875)	(6,580)
Net loss	$ (14,310)	$ (6,529)	$ (28,747)	$ (17,508)
Net loss per share, basic and diluted (in dollars per share)	$ (0.66)	$ (0.32)	$ (1.34)	$ (0.86)
Weighted average common shares outstanding, basic and diluted (in shares)	21,556,646	20,482,032	21,465,772	20,433,564
Product
Revenue:
Total revenue	$ 39,373	$ 33,372	$ 76,460	$ 64,354
Cost of revenue, exclusive of depreciation and amortization shown below:
Total cost of revenue, exclusive of depreciation and amortization	29,042	24,861	56,241	48,336
Service
Revenue:
Total revenue	37,461	42,883	73,201	72,860
Cost of revenue, exclusive of depreciation and amortization shown below:
Total cost of revenue, exclusive of depreciation and amortization	$ 22,656	$ 20,295	$ 43,530	$ 38,488