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OTHER RESERVES AND NON-CONTROLLING INTEREST (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure of share capital, reserves and other equity interest [Abstract]  
Disclosure of Other Reserves
OTHER RESERVES AND NON-CONTROLLING INTEREST

a)
Reserves

 
2018

2017

 
$ 

$

Foreign currency translation reserve
 
 
At beginning of year
781

781

At end of year
781

781

 
 
 
Revaluation reserves
 
 
At beginning of year
3,353

(23,121
)
Gain on marketable securities at FVTOCI, net of tax
(37,686
)
25,948

Unrealized gain on effective portion of derivative, net of tax
(2,907
)
526

At end of year
(37,240
)
3,353

 
 
 
Share-based compensation reserve
 
 
At beginning of year
50,404

49,524

Stock options exercised
(2,864
)
(1,339
)
Share-based compensation
2,156

2,219

At end of year
49,696

50,404

 
 
 
Other
 
 
At beginning of year
(29,540
)
(28,198
)
Recognition of joint venture
—

(1,342
)
At end of year
(29,540
)
(29,540
)
 
 
 
Total other reserves at December 31
(16,303
)
24,998

16.
OTHER RESERVES AND NON-CONTROLLING INTEREST (Continued)

b)
Non-controlling Interest
 
2018

2017

 
$ 

$

At beginning of year
23,043

—

Recognition of non-controlling interest
—

18,573

Funding from non-controlling interest
15,196

2,320

Total comprehensive (loss) income for the year attributable to non-controlling interest
(6,410
)
2,150

Total non-controlling interest at December 31
31,829

23,043