Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenue	$ 346,935	$ 248,811
Cost and operating expenses:
Cost of revenue	21,373	15,903
Sales and marketing	284,880	202,689
Research and development	29,662	20,214
General and administrative	20,444	16,827
Acquisition-related costs	2,258
Legal settlement		1,227
Total cost and operating expenses	358,617	256,860
Loss from operations	(11,682)	(8,049)
Other income:
Interest income	189	669
Other income	291	263
Total other income	480	932
Net loss	$ (11,202)	$ (7,117)
Net loss per share, basic and diluted	$ (0.41)	$ (0.28)
Weighted average common shares outstanding, basic and diluted	27,329	25,759
Net loss	$ (11,202)	$ (7,117)
Other comprehensive income (loss):
Foreign currency translation adjustment	(7)
Comprehensive loss	$ (11,209)	$ (7,117)

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