Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Fair Value Measurements and Financial Instruments (Tables)

v3.19.3
Note 6 - Fair Value Measurements and Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
                         
   
September 30,
2019
    Level 1     Level 2     Level 3  
Assets                                
                                 
High interest savings account   $
1,889
    $
-
    $
1,889
     
-
 
Commercial notes    
9,977
     
-
     
9,977
     
-
 
Canadian provincial promissory notes    
4,489
     
-
     
4,489
     
-
 
Guaranteed investment certificates, issued by a Canadian financial institution    
13,536
     
-
     
13,536
     
-
 
                                 
    $
29,891
    $
-
    $
29,891
    $
-
 
                         
                         
   
December 31,
2018
    Level 1     Level 2     Level 3  
                         
Assets   $       $       $       $    
                                 
High interest savings account    
496
     
-
     
496
     
-
 
United States treasury bills    
3,989
     
-
     
3,989
     
-
 
Canadian provincial promissory notes    
5,991
     
-
     
5,991
     
-
 
Guaranteed investment certificates, Royal Bank of Canada    
4,642
     
-
     
4,642
     
-
 
                                 
    $
15,118
    $
-
    $
15,118
    $
-