Quarterly report pursuant to Section 13 or 15(d)

Restatement of Prior Quarters (unaudited) (Details )

v3.21.4
Restatement of Prior Quarters (unaudited) (Details ) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Net loss $ (4,861,000) $ (17,422,000) $ (34,538,000) $ (19,130,000)
Net Loss per common share - basic and undiluted $ (0.15) $ (4.12) $ (1.39) $ (4.58)
As Restated [Member]        
Operating expense   $ 15,864,000   $ 16,502,000
Net loss   $ (17,422,000)   $ (19,130,000)
Net Loss per common share - basic and undiluted   $ (4.12)   $ (4.58)
Previously Reported [Member]        
Operating expense   $ 7,221,000   $ 7,859,000
Net loss   $ (8,779,000)   $ (10,487,000)
Net Loss per common share - basic and undiluted   $ (2.08)   $ (2.51)
Adjustment [Member]        
Operating expense   $ 8,643,000   $ 8,643,000
Net loss   $ (8,643,000)   $ (8,643,000)
Net Loss per common share - basic and undiluted   $ (2.04)   $ (2.07)