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Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2020
Property Plant And Equipment [Abstract]  
Schedule of Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

 

 

 

 

 

December 31,

 

 

September 30,

 

 

 

Useful Life

 

2019

 

 

2020

 

 

 

 

 

 

 

 

 

(unaudited)

 

Equipment and tooling

 

3 to 5 years

 

$

22,150

 

 

$

23,729

 

Computer equipment

 

3 to 5 years

 

 

2,888

 

 

 

3,039

 

Furniture and fixtures

 

10 years

 

 

749

 

 

 

742

 

Leasehold improvements

 

2 to 3 years

 

 

 

 

 

282

 

Total cost

 

 

 

 

25,787

 

 

 

27,792

 

Less: Accumulated depreciation

 

 

 

 

(17,473

)

 

 

(20,165

)

Property and equipment, net

 

 

 

$

8,314

 

 

$

7,627