XML 70 R52.htm IDEA: XBRL DOCUMENT v3.20.4
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 5,547 $ 6,544
Work-in-process 7,693 3,660
Finished goods 6,316 3,837
Total inventories 19,556 14,041
Reserve for inventory $ 100 $ 200