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NOTE 6 - OTHER ACCRUED LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2018
Note 6 - Other Accrued Liabilities  
Other accrued liabilities
    December 31,
2018
  December 31,
2017
 (in thousands)        
 Product warranty   $471   $530
 Sales return reserve   87   80
 Other taxes   102   109
 Other   129   139
 Other accrued liabilities   $789   $858
         
Product warranty liability
    December 31,
2018
 (in thousands)    
 Liability, beginning balance   $530
 Net expenses   936
 Warranty claims   (936)
 Accrual revisions   (59)
 Liability, ending balance   $471