XML 31 R15.htm IDEA: XBRL DOCUMENT v3.20.4
Inventory
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Inventory Inventory
Inventory consists of the following as of December 31, 2020 and December 31, 2019 (in thousands):
As of December 31,
20202019
Raw materials$633 $412 
Work in process350 258 
Finished goods644 320 
Total$1,627 $990 
An inventory write-off of $435 thousand and $155 thousand was recorded for the years ended December 31, 2020 and 2019, respectively.