Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 193,902	$ 137,328
Short-term marketable securities	191,378	267,960
Accounts receivable, net of allowance of $1,085 and $793 as of September 30, 2022 and December 31, 2021, respectively	98,717	108,998
Prepaid expenses and other current assets	38,736	32,112
Total current assets	522,733	546,398
Long-term marketable securities	70,997	111,198
Property and equipment, net	53,935	61,854
Operating leases - right of use asset	31,454	37,016
Deferred tax assets, net	39,802	25,087
Intangible assets, net	2,019	6,545
Goodwill	7,447	7,447
Restricted cash	1,200	1,200
Other noncurrent assets	18,044	17,814
Total assets	747,631	814,559
Current liabilities:
Accounts payable	1,308	1,296
Accrued liabilities	42,816	32,504
Deferred revenues, current	278,947	257,872
Operating lease liabilities, current	10,959	12,608
Total current liabilities	334,030	304,280
Deferred revenues, noncurrent	24,182	32,753
Operating lease liabilities, noncurrent	28,911	35,914
Other noncurrent liabilities	5,322	4,898
Total liabilities	392,445	377,845
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, $0.001 par value; 20,000 shares authorized, no shares issued and outstanding at September 30, 2022 and December 31, 2021	0	0
Common stock, $0.001 par value; 1,000,000 shares authorized; 38,124 and 39,112 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	38	39
Additional paid-in capital	510,557	477,323
Accumulated other comprehensive income	43	1,007
Accumulated deficit	(155,452)	(41,655)
Total stockholders’ equity	355,186	436,714
Total liabilities and stockholders’ equity	$ 747,631	$ 814,559