XML 82 R46.htm IDEA: XBRL DOCUMENT v3.20.1
Inventory (Schedule of Inventory) (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]      
Raw Materials $ 24,735 $ 22,578 $ 20,940
Work in-progress 4,062 4,239 2,348
Total inventory $ 28,797 $ 26,817 $ 23,288