Annual report pursuant to Section 13 and 15(d)

Supplemental Balance Sheet Information, Prepaid and Other Assets (Details)

v3.20.4
Supplemental Balance Sheet Information, Prepaid and Other Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Prepaid and Other Assets [Abstract]    
Prepaids $ 1,243 $ 19
Proceeds receivable from convertible note financing 0 75
Proceeds receivable from convertible note financing - related party 0 50
Other 26 5
Total prepaids and other assets $ 1,269 $ 149