Annual report pursuant to Section 13 and 15(d)

Note 7 - Fair Value Measurements and Financial Instruments (Tables)

v3.20.1
Note 7 - Fair Value Measurements and Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
      December 31,
2019
      Level 1       Level 2       Level 3  
Assets                                
                                 
High interest savings account   $
2,989
    $
-
    $
2,989
     
-
 
Commercial notes    
6,235
     
-
     
6,235
     
-
 
Canadian provincial promissory notes    
5,493
     
-
     
5,493
     
-
 
Guaranteed investment certificates, issued by a Canadian financial institution    
81,243
     
-
     
81,243
     
-
 
    $
95,960
    $
-
    $
95,960
    $
-
 
      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
    $
-