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NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Disaggregation of revenue
Net sales by type  2018  2017
(in thousands)          
Equipment Sales  $19,002   $24,267 
Adapter Sales   6,954    7,418 
Software and Maintenance Sales   3,268    2,366 
Total  $29,224   $34,051