September 30, 2017

December 31, 2016

Number of

Warrants

Weighted

Average

Exercise

Price

Number of

Warrants

Weighted

Average

Exercise

Price

Outstanding, beginning of year

32,071,901

$

0.13

14,705,818

$

0.16

Issued

21,587,227

0.07

20,350,000

0.09

Exercised

-

-

-

-

Cancelled

-

-

-

-

Expired

(1,507,374)

0.17

(2,983,917)

0.13

Outstanding, end of period

52,151,754

$

0.08

32,071,901

$

0.13