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OTHER INCOME (EXPENSES) (Tables)
9 Months Ended
Sep. 30, 2019
OTHER INCOME (EXPENSE)  
Schedule of other income (expenses)

Three months ended September 30,

Nine months ended September 30,

    

2019

    

2018

    

2019

    

2018

Unrealized and realized gain (loss) on investments (note 4)

$

3,220

$

(24)

$

4,972

$

(3,293)

Foreign currency gain

1,616

1,159

1,242

3,568

Other income

71

203

617

Loss on sale of assets

(134)

(134)

(99)

Total other income

$

4,773

$

1,135

$

6,283

$

793