December 31,

2018

2017

2016

Obligation to issue shares for acquisition of intangible asset

$

-

$

131,527

$

192,946

Shares issued for intangible assets

$

131,527

$

401,432

$

-

Intangible assets in accounts payable and accrued liabilities

$

-

$

25,000

$

-

Property, plant and equipment in accounts payable and accrued liabilities

$

34,402

$

-

$

-

Interest paid

$

-

$

-

$

1,040

Income taxes paid (recovered)

$

(3,907

)

$

-

$

20,693