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Income taxes
 12 Months Ended
Dec. 31, 2019
Income Taxes  
16. Income taxes

(a)       Provision for income taxes

 

The major components of provision for income taxes are as follows:

 

 

    2019     2018     2017  
                   
Current tax expense     -       -       -  
Deferred tax expense     -       -       -  
Provision for income taxes     -       -       -  

 

The reconciliation of the provision for income taxes to the amount of income taxes calculated using statutory income tax rates applicable to the Company in Canada is as follows:

  

    2019     2018     2017  

Canadian federal and provincial recovery of income taxes

using statutory rate of 27% (2018 – 27%, 2017 -27%)

     (2,653 )     (5,946 )     (5,381 )
Change in unrecognized deductible temporary differences and unused tax losses     4,534       6,098       4,397  
Permanent differences and other     (1,881 )     (152 )     984  
Provision for income taxes     -       -       -  

 

(b)       Deferred tax assets

 

As at December 31, the Company’s deferred tax assets are as follows:

  

    2019     2018  
Unused tax losses     37       141  
                 

 

(c)       Deferred tax liabilities

 

As at December 31, the Company’s deferred tax liabilities are as follows:

  

    2019     2018  
Convertible debentures     -       67  
Deferred cost     37       74  
      37       141  

 

(d)       Deductible temporary differences and unused tax losses

 

Deferred tax assets have not been recognised because it is not probable that future taxable profit will be available against which the Company can use the benefits therefrom.

 

As at December 31, the Company has deductible temporary differences for which no deferred tax assets are recognized as follows:

 

    2019     2018  
Property and equipment     2,103       2,250  
Right-of-use assets, net lease liability     388       -  
Intangible assets     3,205       4,368  
Debentures     595       1,658  
Convertible debentures     530       -  
Financing costs     1,509       2,390  
Research and development expenditures     1,437       1,163  
Other     -       21  
      9,767       11,850  

 

As at December 31, the company has unused tax losses for which no deferred tax assets are recognised as follows:

  

    2019     2018  
Expires 2024     610       610  
Expires 2025     1,101       1,075  
Expires 2026     2,136       2,136  
Expires 2027     5,203       5,203  
Expires 2028     2,064       2,064  
Expires 2029     4,679       4,663  
Expires 2030     3,698       3,698  
Expires 2031     1,614       1,614  
Expires 2032     4,854       4,849  
Expires 2033     11,006       10,454  
Expires 2034     8,420       7,416  
Expires 2035     11,168       9,835  
Expires 2036     18,886       19,008  
Expires 2037     20,449       19,824  
Expires 2038     20,214       16,277  
Expires 2039     14,557       -  
      130,659       108,726