Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Note 6 - Fair Value Measurements and Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
     
March 31,
2020
     
Level 1
     
Level 2
     
Level 3
 
Assets                                
                                 
High interest savings account   $
1,321
    $     $
1,321
       
Commercial notes    
18,873
           
18,873
       
Canadian provincial promissory notes    
35,230
           
35,230
       
Guaranteed investment certificates,  issued by a Canadian financial institution    
9,412
           
9,412
       
                                 
    $
64,836
    $     $
64,836
    $  
     
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
    $