6. PATENTS

12 Months Ended

Dec. 31, 2015

Notes to Financial Statements

6. PATENTS

6.           Patents

	2015 Cost		Accumulated Amortization		2015 Net
Patents	$	191,698	$	91,075	$	100,623

	2014 Cost		Accumulated Amortization		2014 Net
Patents	$	228,597	$	91,193	$	137,404

Decrease in 2015 cost was due to currency conversion.  2015 cost in Canadian dollars - $265,102 (2014 - $265,102 in Canadian dollars).

Amount of amortization for 2015: $15,867 (2014: $18,348) and is included in cost of sales in the consolidated statements of operations and comprehensive income (loss).

Estimated amortization expense over the next five years is as follows:

2016	$	14,640
2017		14,640
2018		14,640
2019		14,640
2020		14,640