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INVENTORY (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventory at March 31, 2022 and December 31, 2021 consisted of the following (in thousands):
 March 31,
2022
December 31,
2021
On-hand final assemblies and finished goods inventories$68,107 $57,360 
Deferred cost of goods sold1,944 1,474 
70,051 58,834 
Less noncurrent portion (included in other assets)(8,473)(4,791)
Current portion$61,578 $54,043