CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 72,289	$ 31,143
Accounts receivable, net of allowance of $400	41,399	46,814
Deferred commissions, current	7,719	7,146
Prepaid expenses and other current assets	6,318	3,281
Total current assets	127,725	88,384
Property and equipment, net	2,737	3,101
Deferred commissions, net of current portion	11,343	10,860
Deferred tax assets	107	12
Other assets	414	381
Total assets	142,326	102,738
Current liabilities
Accounts payable	2,712	5,057
Accrued expenses	5,977	2,860
Accrued compensation and related benefits	9,742	9,554
Deferred revenue, current	57,181	52,000
Current portion of long-term debt	0	6,111
Other current liabilities	574	437
Total current liabilities	76,186	76,019
Long-term debt, net of current portion	0	13,889
Deferred tax liabilities	35	32
Deferred revenue, net of current portion	14,577	18,108
Preferred stock warrant liability	0	850
Other long-term liabilities	1,624	1,917
Total liabilities	92,422	110,815
Stockholders’ equity (deficit)
Common stock	0	3
Additional paid-in capital	138,767	0
Accumulated other comprehensive income	451	1,330
Accumulated deficit	(89,320)	(64,825)
Total stockholders’ equity (deficit)	49,904	(63,492)
Total liabilities, convertible preferred stock and stockholders’ equity (deficit)	142,326	102,738
Series A Convertible Preferred Stock
Convertible preferred stock
Preferred stock	0	17,915
Series B Convertible Preferred Stock
Convertible preferred stock
Preferred stock	0	37,500
Class A Common Stock
Stockholders’ equity (deficit)
Common stock	1	0
Class B Common Stock
Stockholders’ equity (deficit)
Common stock	$ 5	$ 0