XML 163 R143.htm IDEA: XBRL DOCUMENT v3.21.1
BALANCE SHEET COMPONENTS - Other current assets consist (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other Current Assets      
Deferred costs with suppliers   $ 6,204 $ 3,589
Prepaid expenses   698 868
Utility program deposits   891 770
Due from related parties $ 1,485 123 483
Other   4  
Total other current assets $ 6,587 $ 7,920 $ 5,710