Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Statements of Comprehensive Income (Loss)    
Net Loss $ (105,584) $ (93,961)
Other comprehensive income (loss)    
Unrealized gain (loss) on marketable securities 5 (110)
Other comprehensive gain (loss), net of tax 5 (110)
Comprehensive income (loss), net of tax $ (105,579) $ (94,071)