CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 76,229	$ 86,478
Short-term investments	0	3,019
Accounts and other receivables	5,587	3,385
Prepaid expenses and other current assets	9,275	14,078
Total current assets	91,091	106,960
Property and equipment, net	283	1,226
Other assets	16,115	16,662
Total assets	107,489	124,848
Current liabilities:
Accounts payable	937	809
Accrued compensation	1,989	2,844
Other current liabilities	4,173	3,478
Deferred revenue	4,617	4,692
Total current liabilities	11,716	11,823
Long-term deferred revenue	24,725	25,952
Other long-term liabilities	3,304	3,316
Total liabilities	39,745	41,091
Contingencies (Note 10)
Stockholders’ equity:
Common stock and additional paid-in capital — $0.001 par value; 100,000,000 shares authorized; 38,824,681 and 38,624,784 shares issued, respectively; 29,601,459 and 31,414,328 shares outstanding, respectively	254,081	253,289
Accumulated other comprehensive income	122	124
Accumulated deficit	(123,393)	(118,565)
Treasury stock at cost: 9,223,222 and 7,210,456 shares, respectively	(63,066)	(51,091)
Total stockholders’ equity	67,744	83,757
Total liabilities and stockholders’ equity	$ 107,489	$ 124,848