Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 178,391	$ 192,556
Other current assets	2,915	1,966
Total current assets	181,306	194,522
Property and equipment, net	5,110	3,570
Operating lease right-of-use assets	11,473	10,154
Intangible asset, net	293	347
Other non-current assets	1,921	1,926
Total assets	200,103	210,519
Current liabilities
Accounts payable and accrued liabilities	7,308	7,181
Operating lease liabilities	1,047	659
Finance lease liabilities	52	49
Total current liabilities	8,407	7,889
Non-current operating lease liabilities	12,606	11,306
Non-current finance lease liabilities	122	108
Total liabilities	21,135	19,303
Stockholders’ equity
Common stock - $0.000001 par value - authorized, 100,000,000 as of March 31, 2021 and December 31, 2020; issued and outstanding, 42,326,033 as of March 31, 2021 and 42,196,296 as of December 31, 2020.	0	0
Preferred stock - $0.000001 par value - authorized, 5,000,000 as of March 31, 2021 and December 31, 2020; 0 issued and outstanding as of March 31, 2021 and December 31, 2020.	0	0
Additional paid-in capital	526,724	524,022
Accumulated deficit	(347,756)	(332,806)
Total stockholders’ equity	178,968	191,216
Total liabilities and stockholders’ equity	$ 200,103	$ 210,519