Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 176,410	$ 764,375
Marketable securities	488,565
Accounts receivable	4,514
Prepaid expenses and other current assets	12,446	8,028
Total current assets	681,935	772,403
Property and equipment, net	1,810	23
Restricted cash	305	305
Operating lease right-of-use assets, net	2,526	161
Total assets	686,576	772,892
Current liabilities
Accounts payable	1,118	4,534
Accrued expenses and other current liabilities	13,805	52,152
Current portion of operating lease liabilities	711	197
Total current liabilities	15,634	56,883
Operating lease liabilities	2,585
Income taxes payable	5,170	5,932
Total liabilities	23,389	62,815
Commitments and contingencies (see Note 12)
Stockholders’ equity:
Preferred stock, $0.001 par value per share; 10,000,000 shares authorized; no shares issued and outstanding as of September 30, 2022, and December 31, 2021
Common stock, $0.001 par value; 300,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 83,287,639 and 83,102,730 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively	83	83
Additional paid-in capital	689,407	653,964
Accumulated other comprehensive loss	(855)
Retained earnings (accumulated deficit)	(25,448)	56,030
Total stockholders’ equity	663,187	710,077
Total liabilities and stockholders’ equity	$ 686,576	$ 772,892