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Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories

7.

Inventories

Inventories consist primarily of telecommunications systems and parts and are recorded at the lower of average cost or market. We evaluate the need for write-downs associated with obsolete, slow-moving and nonsalable inventory by reviewing net realizable inventory values on a periodic basis.

Inventories as of September 30, 2020 and December 31, 2019 were as follows (in thousands):

 

 

 

September 30,

 

 

 

December 31,

 

 

2020

 

 

 

2019

Work-in-process component parts

$

19,663

 

 

$

23,141

Finished goods

 

15,444

 

 

 

12,064

Total inventory

$

35,107

 

 

$

35,205