XML 50 R38.htm IDEA: XBRL DOCUMENT v3.21.2
Balance Sheet Components (Components of Inventory) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Balance Sheet Components [Abstract]    
Purchased materials $ 5,511 $ 3,531
Work in process 8,762 6,651
Finished goods 4,003 4,048
Inventory $ 18,276 $ 14,230