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Stock Options | 12 Months Ended
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Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Options | 13. Stock Options. The Company adopted a stock option plan (“Plan”). The purpose of this Plan is to provide additional incentives to key employees, officers, directors and consultants of the Company and its subsidiaries in order to help attract and retain the best available personnel for positions of responsibility and otherwise promote the success of the Company’s business. It is intended that options issued under this Plan constitute non-qualified stock options. The general terms of awards under the option plan are that 100% of the options granted will vest the year following the grant. The maximum term of options granted is 5 years. The Company may issue stock options and stock bonuses for shares of its common stock to provide incentives to directors, key employees and other persons who contribute to the success of the Company. The exercise price of all incentive options are issued for not less than fair market value at the date of grant. The following table summarizes the Company’s stock option activity for the years ended December 31, 2017 and 2016:
|  | Number of shares |  |  | Exercise price per share |  |  | Weighted average exercise price |
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 |
Granted |  |  | 154,000 |  |  |  | $1.70 |  |  | $ | 1.70 |
Cancelled or expired |  |  | (114,000 | ) |  |  | $1.00 - 2.22 |  |  | $ | 1.75 |
Exercised |  |  | (140,000 | ) |  |  | $0.75 – 1.21 |  |  | $ | 1.11 |
Balance, December 31, 2017 |  |  | 713,000 |  |  |  | $0.75 – 1.70 |  |  | $ | 1.21 |
Exercisable, December 31, 2017 |  |  | 559,000 |  |  |  | $0.75 – 1.41 |  |  | $ | 1.08 |
The weighted-average remaining contractual life of outstanding options is 2.8 years. The fair value of each option grant is calculated using the following weighted average assumptions:
|  | 2017 |  |  | 2016 |
Expected life – years |  |  | 3.0 |  |  |  | 3.0 |
Interest rate |  |  | 2.23 | % |  |  | 1.37 | %
Volatility |  |  | 73.09 | % |  |  | 75.64 | %
Dividend yield |  |  | — | % |  |  | — | %
Weighted average fair value of options granted |  | $ | 0.8344 |  |  | $ | 0.7073 |
During the year ended December 31, 2017, the Company granted 40,000 (2016 – 40,000) stock options to consultants and has applied ASC 718 using the Black-Scholes option-pricing model, which resulted in additional expenses of $6,675 (2016 - $5,658). Options granted in other years resulted in additional expenses of $22,634 (2016 – $11,879). During the year ended December 31, 2017, employees were granted 114,000 (2016 – 128,000) stock options, which resulted in additional expenses of $19,024 (2016 – $17,824). Options granted in other years resulted in additional expenses in the amount of $67,759 for employees during the year ended December 31, 2017 (2016 - $30,957). There were 110,000 employee and 30,000 consultant stock options exercised during the year ended December 31, 2017 (2016 – 30,000 employee; nil consultant). As of December 31, 2017, there was approximately $102,798 of compensation expense related to non-vested awards. This expense is expected to be recognized over a weighted average period of 1 year. The aggregate intrinsic value of vested options outstanding at December 31, 2017 is $413,410 (2016 – nil).

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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