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Stock Options (Tables)
3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Options Activity

The following table summarizes the continuity of the Company’s stock options:

 

Outstanding, December 31, 2017     3,315,000  
Granted     -  
Exercised     -  
Expired     (100,000 )
Outstanding, March 31, 2018     3,215,000