XML 41 R30.htm IDEA: XBRL DOCUMENT v3.20.2
Balance Sheet Details - Schedule of Inventory (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw material $ 2,677 $ 3,175
Work in process 1,173 1,685
Finished goods 2,360 1,481
Inventory $ 6,210 $ 6,341