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BASIC AND DILUTED LOSS PER COMMON SHARE
3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Basic and Diluted Loss Per Common Share
BASIC AND DILUTED LOSS PER COMMON SHARE
Basic and diluted loss per share
The calculation of basic and diluted earnings per share after adjustment for the effects of all potential dilutive common shares, calculated as follows:
 
Three months ended
March 31,
 
2018
 
2017
Loss attributable to shareholders
$
(10,822
)
 
$
(10,508
)
Basic and diluted weighted average number of common shares outstanding
75,209,456

 
68,761,350

Loss per common share
$
(0.14
)
 
$
(0.15
)

For the three months ended March 31, 2018, 9.04 million (March 31, 2017 - 10.17 million) options and warrants and the potential conversion of the Debentures have been excluded from the calculation as their effect would have been anti-dilutive.