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NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Net sales $ 21,568 $ 29,224
Equipment Sales    
Net sales 12,553 19,002
Adapter Sales    
Net sales 5,535 6,954
Software and Maintenance Sales    
Net sales $ 3,480 $ 3,268