| 
 NOTE 4 - SUPPLEMENTARY FINANCIAL STATEMENT
INFORMATION 
  
    | a. | 
    Revenues by geographic area were as follows: | 
 
 
  
    |   | 
  | 
    Six months ended   June 30, | 
  | 
  | 
    Three months ended   June 30, | 
  | 
 
    |   | 
  | 
    2020 | 
  | 
  | 
    2019 | 
  | 
  | 
    2020 | 
  | 
  | 
    2019 | 
  | 
 
    | United states and Canada | 
  | 
    $ | 
1,334 | 
  | 
  | 
    $ | 
1,080 | 
  | 
  | 
    $ | 
789 | 
  | 
  | 
    $ | 
553 | 
  | 
 
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
    | Europe | 
  | 
      | 
98 | 
  | 
  | 
      | 
120 | 
  | 
  | 
    $ | 
34 | 
  | 
  | 
      | 
53 | 
  | 
 
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
    | Total | 
  | 
    $ | 
1,432 | 
  | 
  | 
    $ | 
1,200 | 
  | 
  | 
    $ | 
823 | 
  | 
  | 
    $ | 
606 | 
  | 
 
 
  
    |   | 
    b. | 
    
         Revenue recognized in the reporting period
        that was included in the contract liability balance at the beginning of the period is $645 and $390 for the six and three months
        period ended June 30, 2020 and 
        $411 and $285 for the six and three months
        period ended June 30, 2019. 
 | 
 
 
  
  
Set forth below is a breakdown
of the Company's revenue by major customers (major customer –revenues from these customers constitute at least 10%
of total revenues in a certain period): 
  
    |   | 
  | 
    Six months ended  June 30, | 
  | 
  | 
    Three months ended  June 30, | 
  | 
 
    |   | 
  | 
    2020 | 
  | 
  | 
    2019 | 
  | 
  | 
    2020 | 
  | 
  | 
    2019 | 
  | 
 
    | Customer A | 
  | 
    $ | 
849 | 
  | 
  | 
    $ | 
558 | 
  | 
  | 
    $ | 
500 | 
  | 
  | 
    $ | 
282 | 
  | 
 
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
    | Customer B | 
  | 
    $ | 
- | 
  | 
  | 
    $ | 
355 | 
  | 
  | 
    $ | 
- | 
  | 
  | 
    $ | 
187 | 
  | 
 
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
    | Customer C | 
  | 
    $ | 
469 | 
  | 
  | 
    $ | 
147 | 
  | 
  | 
    $ | 
273 | 
  | 
  | 
    $ | 
74 | 
  | 
 
 
 |