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Note 6 - Other Assets
12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Other Assets Disclosure [Text Block]
6—
OTHER ASSETS
 
Other assets consist of the following:
 
    December 31,
    2019   2018
Prepaid expenses, current portion    
447
     
382
 
Total    
447
     
382
 
 
Prepaid expenses mainly consist of rental and future congresses expenses.