Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Information (unaudited) (Details)

v3.20.4
Selected Quarterly Financial Information (unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]                      
Revenues $ 50,030 $ 29 $ 29 $ 30 $ 29 $ 230 $ 29 $ 30 $ 50,118 $ 318 $ 463
Operating Expenses 58,082 42,344 26,892 27,090 34,870 24,298 17,172 14,921 154,408 91,261 55,703
Loss from operations (8,052) (42,315) (26,863) (27,060) (34,841) (24,068) (17,143) (14,891) (104,290) (90,943) (55,240)
Net loss and comprehensive loss $ (8,074) $ (42,130) $ (26,544) $ (25,932) $ (34,459) $ (23,454) $ (16,375) $ (14,097) $ (102,680) $ (88,385) $ (53,079)
Basic and diluted loss per Common Share (expressed in $ per share) $ (0.05) $ (0.34) $ (0.24) $ (0.23) $ (0.36) $ (0.25) $ (0.18) $ (0.16) $ (0.87) $ (0.95) $ (0.63)