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13. STOCK OPTIONS (Tables) | 12 Months Ended
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Dec. 31, 2016
Consultants [Default Label] |
Stock option activity | The following table summarizes the Company’s stock option activity for the years ended December 31, 2016 and 2015:
|  | Number of shares |  |  | Exercise price per share |  |  | Weighted average exercise price |
Balance, December 31, 2014 |  |  | 1,126,000 |  |  | $ | 1.21 - $2.45 |  |  | $ | 1.54 |
Granted |  |  | 317,000 |  |  | $ | 0.75 – 1.05 |  |  | $ | 0.89 |
Cancelled or expired |  |  | (245,000 | ) |  | $ | 1.05 – 2.22 |  |  | $ | 1.72 |
Exercised |  |  | 8,000 |  |  | $ | 1.00 |  |  | $ | 1.00 |
Balance, December 31, 2015 |  |  | 1,190,000 |  |  | $ | 0.75 - $2.45 |  |  | $ | 1.34 |
Granted |  |  | 168,000 |  |  | $ | 1.42 |  |  | $ | 1.42 |
Cancelled or expired |  |  | (515,000 | ) |  | $ | 0.75 – 2.45 |  |  | $ | 1.61 |
Exercised |  |  | (30,000 | ) |  | $ | 1.00 – 1.21 |  |  | $ | 1.09 |
Balance, December 31, 2016 |  |  | 813,000 |  |  | $ | 0.75 – 2.22 |  |  | $ | 1.19 |
Exercisable, December 31, 2016 |  |  | 647,000 |  |  | $ | 0.75 – 2.22 |  |  | $ | 1.13 |
Fair value of each option grant |
|  | 2016 |  |  | 2015 |
Expected life – years |  |  | 3.0 |  |  |  | 3.0 |
Interest rate |  |  | 1.37 | % |  |  | 0.78 – 1.16 | %
Volatility |  |  | 75.64 | % |  |  | 57-77 | %
Dividend yield |  |  | -- | % |  |  | -- | %
Weighted average fair value of options granted |  | $ | 0.7073 |  |  | $ | 0.36-0.37 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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