Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 51,016	$ 45,230
Accounts receivable, net	16,527	16,198
Prepaid expenses and other current assets	3,173	2,657
Total current assets	70,716	64,085
Property and equipment, net	3,325	2,921
Right-of-use lease asset	6,494
Other assets, net	236	917
Goodwill	24,442	24,442
Intangible assets from acquisitions, net	17,561	20,697
Total assets	122,774	113,062
Current liabilities:
Accounts payable	6,434	5,968
Accrued expenses and other current liabilities	6,425	5,807
Current portion of acquisition-related liabilities	1,277	1,215
Deferred revenue and deposits	3,541	1,782
Lease liability current	1,511
Total current liabilities	19,188	14,772
Other non-current liabilities	61	1,287
Deferred tax liabilities	1,433	1,531
Lease liability non-current	6,407
Non-current portion of acquisition-related liabilities		446
Total liabilities	27,089	18,036
Commitments and contingencies
Stockholders’ equity:
Additional paid-in capital	353,864	350,801
Accumulated deficit	(258,611)	(256,198)
Total stockholders’ equity	95,685	95,026
Total liabilities and stockholders’ equity	122,774	113,062
Class A
Stockholders’ equity:
Common stock	49	53
Class B
Stockholders’ equity:
Common stock	$ 383	$ 370