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NOTE 4 - PROPERTY, PLANT AND EQUIPMENT, NET
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT, NET
    December 31,
2018
  December 31,
2017
 (in thousands)        
 Leasehold improvements   $399   $416
 Equipment   5,378   5,279
 Sales demonstration equipment   942   1,315
    6,719   7,010
 Less accumulated depreciation   4,734   4,552
 Property and equipment, net   $1,985   $2,458
         

 

Total depreciation expense recorded for 2018 and 2017 was $955,000 and $822,000, respectively.