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Inventories, net (Tables)
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Components of Inventory The components of inventory, net consist of the following:
December 31,
(in thousands)20202019
Finished goods$12,747 $8,320 
Work in process16 — 
Component parts6,105 6,768 
Service parts2,770 4,238 
$21,638 $19,326