December 31, 2017

December 31, 2016

Number of

Weighted

Average

Number of

Weighted

Average

Warrants

Exercise Price

Warrants

Exercise Price

Outstanding, beginning of year

32,071,901

$

0.10

14,705,818

$

0.13

 Issued

88,737,227

0.09

20,350,000

0.08

Exercised

-

-

-

-

Cancelled

-

-

-

-

Expired

(1,507,374)

0.17

(2,983,917)

0.14

Outstanding, end of period

119,301,754

$

0.09

32,071,901

$

0.10