Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Investments

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Note 5 - Investments
 6 Months Ended
Jun. 30, 2019
Notes to Financial Statements  
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
5.
 Investments:
 
Investments consisted of the following as of
June 30, 2019
and
December 31, 2018:
       
    June 30, 2019  
    Cost     Unrealized gain     Market value  
                         
Guaranteed investment certificate(s)    
8,459
      
18
      
8,477
  
                         
       
    December 31, 2018  
      Cost       Unrealized loss       Market value  
                         
Guaranteed investment certificate(s)    
458
      
(18
 )    
440