XML 24 R14.htm IDEA: XBRL DOCUMENT v3.21.1
Inventories
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories

(8) Inventories

 

Inventories consist of the following:

 

   March 31,
2021
   December 31,
2020
 
Raw materials  $3,883   $2,825 
Finished goods   1,148    1,545 
    5,031    4,370 
Allowance for excess inventory quantities   (30)   (30)
   $5,001   $4,340