Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenue	$ 103,822	$ 81,364
Cost and operating expenses:
Cost of revenue	5,953	5,335
Sales and marketing	87,569	66,504
Research and development	8,573	6,459
General and administrative	5,596	4,719
Acquisition-related	(79)
Total cost and operating expenses	107,612	83,017
Loss from operations	(3,790)	(1,653)
Other income (expense):
Interest income	14	111
Other income (expense), net	(25)	100
Total other income (expense), net	(11)	211
Net loss	$ (3,801)	$ (1,442)
Net loss per share, basic	$ (0.13)	$ (0.05)
Net loss per share, diluted	$ (0.13)	$ (0.05)
Weighted average common shares outstanding, basic	28,431	26,640
Weighted average common shares outstanding, diluted	28,431	26,640
Net loss	$ (3,801)	$ (1,442)
Other comprehensive income (loss):
Foreign currency translation adjustment	15
Comprehensive loss	$ (3,786)	$ (1,442)

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460