Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 192,556	$ 143,093
Other current assets	1,966	503
Total current assets	194,522	143,596
Property and equipment, net	3,570	2,060
Operating lease right-of-use asset	10,154	770
Intangible asset, net	347	567
Other non-current assets	1,926	30
Total assets	210,519	147,023
Current liabilities
Accounts payable and other liabilities	7,181	4,125
Operating lease liability	659	556
Finance lease liability	49	62
Total current liabilities	7,889	4,743
Non-current operating lease liability	11,306	447
Non-current finance lease liability	108	146
Total liabilities	19,303	5,336
Stockholders’ equity
Common stock, $0.000001 par value per share; 100,000,000 shares authorized at December 31, 2020 and 2019; 42,196,296 and 37,996,849 issued and outstanding at December 31, 2020 and 2019, respectively	0	0
Preferred stock, $0.000001 par value per share; 5,000,000 authorized at December 31, 2020 and 2019; 0 issued and outstanding at December 31, 2020 and 2019	0	0
Additional paid-in capital	524,022	441,216
Accumulated deficit	(332,806)	(299,529)
Total stockholders’ equity	191,216	141,687
Total liabilities and stockholders’ equity	$ 210,519	$ 147,023