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INVENTORY
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
INVENTORY INVENTORY
Our inventory primarily consists of component parts as well as work-in-progress and finished goods. The cost of inventory includes cost of materials, labor, overhead, and freight, and is accounted for using the first in, first out method. The inventory is stated at the lower of cost or net realizable value.
Inventory consisted of the following (in thousands): 
 At March 31,At December 31,
 20202019
Inventory  
Component parts, net of reserves of $2,224 and $2,007 at March 31, 2020 and December 31, 2019, respectively
$27,306  $24,864  
Work-in-progress
925  94  
Finished goods
11,116  1,616  
Total inventory
$39,347  $26,574