Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 194,742	$ 59,978
Restricted cash	1,026	90
Short-term investments		45,541
Accounts receivable, net	51,824	41,107
Prepaid expenses	10,347	4,890
Deferred costs and other current assets	10,548	10,909
Total current assets	268,487	162,515
Property and equipment, net	6,029	4,650
Capitalized software development costs, net	14,092	12,893
Goodwill	90,706	48,382
Intangible assets, net	70,624	23,197
Restricted cash	3,347
Deferred costs and other assets	26,423	10,543
Total assets	479,708	262,180
Current liabilities:
Accounts payable	8,832	2,719
Accrued payroll and employee related liabilities	19,674	17,108
Accrued expenses	5,481	5,565
Deferred revenue	112,058	92,738
Note payable		427
Other current liabilities	6,482	1,490
Total current liabilities	152,527	120,047
Long-term liabilities:
Deferred revenue, noncurrent	4,371	2,898
Convertible senior notes	97,764	94,097
Deferred tax liabilities	1,197	1,032
Other long term liabilities	12,751	1,948
Total liabilities	268,610	220,022
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001, 10,000,000 shares authorized, no shares issued or outstanding as of September 30, 2019 and December 31, 2018, respectively
Common stock, $0.001 par value, 100,000,000 shares authorized, 33,778,616 and 29,700,192 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively	34	30
Additional paid-in capital	404,676	194,866
Accumulated deficit	(186,788)	(147,670)
Accumulated other comprehensive loss	(6,824)	(5,068)
Total stockholders’ equity	211,098	42,158
Total liabilities and stockholders’ equity	$ 479,708	$ 262,180