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PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
12 Months Ended
Dec. 31, 2021
PROPERTY, PLANT AND EQUIPMENT, NET (Tables)  
Property, plant and equipment, net

 

 

December 31,

2021

 

 

December 31,

2020

 

(in thousands)

 

 

 

 

 

 

Leasehold improvements

 

$430

 

 

$421

 

Equipment

 

 

5,218

 

 

 

5,625

 

Sales demonstration equipment

 

 

754

 

 

 

963

 

 

 

 

6,402

 

 

 

7,009

 

Less accumulated depreciation

 

 

5,456

 

 

 

5,793

 

Property and equipment, net

 

$946

 

 

$1,216