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STOCK-BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Stock Option Activity
option activity during the year ended December 31, 2018. The summary of stock options outstanding as at December 31, 2018 and December 31, 2017 is presented below:
 
Shares

 
Weighted Average Exercise Price per Share

 
Weighted Average Remaining Contractual Term (years)
 
Aggregate Intrinsic Value

Outstanding at December 31, 2017
2,011,392

 
$
2.32

 
7.58
 
$
4,677

Outstanding at December 31, 2018
2,011,392

 
$
2.32

 
6.58
 
$
916

Vested or expected to vest at December 31, 2018
2,011,392

 
$
2.32

 
6.58
 
$
916

Exercisable at December 31, 2018
1,405,696

 
$
2.31

 
6.53
 
$
654
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following table summarizes information about stock option activity during 2018, 2017, and 2016:
 
2018
 
2017
 
2016
 
Shares

 
Weighted Average Exercise Price (per share)

 
Shares

 
Weighted Average Exercise Price (per share)

 
Shares

 
Weighted Average Exercise Price (per share)

Outstanding at January 1
2,011,392

 
$
2.32

 
2,011,392

 
$
2.32

 
1,666,000

 
$
3.53

Awards granted
—

 
—

 
—

 
—

 
411,392

 
2.46

Awards expired
—

 
—

 
—

 
—

 
(66,000
)
 
33.66

Outstanding at December 31
2,011,392

 
$
2.32

 
2,011,392

 
$
2.32

 
2,011,392

 
$
2.32
Schedule of Restricted Stock Unit Activity
The following table summarizes information about unvested RSUs as at December 31, 2018:
 
Number of
Shares / Units

 
Weighted-Average
Grant Date Fair Value

Unvested at December 31, 2017
1,974,954

 
$
3.21

Granted
962,369

 
4.28

Vested
(940,968
)
 
3.31

Unvested at December 31, 2018
1,996,355

 
$
3.68
Share-based Compensation Arrangements by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block]
The following table summarizes information about unvested PRSUs as at December 31, 2018:
 
Number of
Shares / Units

 
Weighted-Average
Grant Date Fair Value

Unvested at December 31, 2017
719,109

 
$
2.67

Granted
962,760

 
3.52

Vested
(1,180,297
)
 
3.14

Unvested at December 31, 2018
501,572

 
$
3.19