Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue	$ 48,493	$ 31,615
Cost of revenue	14,788	10,645
Gross profit	33,705	20,970
Operating expenses:
Sales and marketing	6,982	4,408
Research and development	6,398	4,891
Refundable Canadian tax credits	(86)	(102)
General and administrative	9,994	7,000
Depreciation and amortization	5,259	2,130
Acquisition-related expenses	7,723	3,102
Total operating expenses	36,270	21,429
Loss from operations	(2,565)	(459)
Other expense:
Interest expense, net	(5,116)	(2,494)
Other income (expense), net	(761)	303
Total other expense	(5,877)	(2,191)
Loss before provision for income taxes	(8,442)	(2,650)
Benefit from (provision for) income taxes	612	(511)
Net loss	$ (7,830)	$ (3,161)
Net loss per common share:
Net loss per common share, basic and diluted (in dollars per share)	$ (0.38)	$ (0.16)
Weighted-average common shares outstanding, basic and diluted (in shares)	20,442,626	19,759,203
Total product revenue
Revenue	$ 45,640	$ 29,355
Subscription and support
Revenue	44,983	27,729
Cost of revenue	13,274	9,249
Perpetual license
Revenue	657	1,626
Professional services
Revenue	2,853	2,260
Cost of revenue	$ 1,514	$ 1,396