Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Note 6 - Fair Value Measurements and Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
     
March 31,
2019
     
Level 1
     
Level 2
     
Level 3
 
Assets                                
                                 
High interest savings account   $
1,164
    $     $
1,164
    $  
United States treasury bills    
4,486
           
4,486
       
Government of Canada promissory notes    
4,986
           
4,986
       
Guaranteed investment certificates, Royal Bank of Canada    
5,161
           
5,161
       
                                 
    $
15,797
    $     $
15,797
    $  
     
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
    $