Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue:
Product revenue	$ 14,584	$ 12,464
Service revenue	12,654	14,505
Total revenue	27,238	26,969
Operating expenses:
Product costs	10,534	8,507
Service costs (exclusive of amortization of intangible assets shown separately below)	5,790	8,039
Sales and marketing	6,724	6,127
Product development	4,750	5,614
General and administrative	7,653	8,530
Amortization of intangible assets	1,837	3,032
Total operating expenses	37,288	39,849
Loss from operations	(10,050)	(12,880)
Interest income	43	2
Interest expense	(2)
Other income (expense), net	3	980
Loss before income taxes	(10,006)	(11,898)
Income tax expense	(12)	(11)
Net loss	$ (10,018)	$ (11,909)
Net loss per share - basic and diluted (in dollars per share)	$ (0.50)	$ (0.59)
Weighted average common shares outstanding - basic and diluted (in shares)	19,942	20,213