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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2017
Property Plant And Equipment [Abstract]  
Summary of Property and Equipment

Property and equipment consisted of the following:

 

 

 

December 31,

 

 

December 31,

 

 

 

2017

 

 

2016

 

 

 

(In thousands)

 

Machinery, manufacturing and demonstration equipment

 

$

10,866

 

 

$

7,579

 

Computer equipment

 

 

2,187

 

 

 

2,124

 

Furniture

 

 

598

 

 

 

614

 

Leasehold improvements

 

 

2,237

 

 

 

2,028

 

Total property and equipment

 

 

15,888

 

 

 

12,345

 

Accumulated depreciation and amortization

 

 

(9,218

)

 

 

(6,573

)

Property and equipment, net

 

$

6,670

 

 

$

5,772