Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 68,929	$ 48,707
Marketable securities	41,531	39,770
Short-term deposits	10,000	70,438
Trade receivables (net of allowance for doubtful accounts of $637 and $483 at December 31, 2019 and December 31, 2018, respectively)	75,050	83,223
Prepaid expenses and other current assets	13,047	16,952
Total current assets	208,557	259,090
Long-term assets:
Other assets	18,360	8,565
Operating lease right-of-use asset	55,057
Property and equipment, net	36,338	17,323
Total long-term assets	109,755	25,888
Total assets	318,312	284,978
Current liabilities:
Trade payables	997	2,620
Accrued expenses and other short-term liabilities	62,607	55,991
Deferred revenues	95,975	87,729
Total current liabilities	159,579	146,340
Long-term liabilities:
Deferred revenues	5,460	6,487
Operating lease liability	57,040
Other liabilities	2,701	6,781
Total long-term liabilities	65,201	13,268
Stockholders’ equity:
Common stock of $0.001 par value - Authorized: 200,000,000 shares at December 31, 2019 and December 31, 2018; Issued and outstanding: 30,583,311 shares at December 31, 2019 and 29,576,880 shares at December 31, 2018	31	30
Accumulated other comprehensive loss	(449)	(3,633)
Additional paid-in capital	310,682	266,941
Accumulated deficit	(216,732)	(137,968)
Total stockholders’ equity	93,532	125,370
Total liabilities and stockholders’ equity	$ 318,312	$ 284,978