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SHARE-BASED PAYMENTS (Tables)
 12 Months Ended
Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of share-based compensation, stock options, activity
The summary of the Company’s stock options at December 31, 2019, 2018 and 2017, respectively, and the changes for the fiscal periods ending on those dates are presented below:
 
Range of Exercise Prices
 
Weighted Average
Exercise Price
 
Number of
Options 
Balance, December 31, 2016
 $2.12 - $15.61

 
$
5.69

 
2,045,143

 Granted
1.77 - 2.35

 
2.34

 
738,893

 Exercised
—

 
—

 
—

 Forfeited
2.12 - 11.94

 
2.93

 
(316,289
)
 Expired
4.48 - 12.55

 
8.42

 
(438,900
)
Balance, December 31, 2017
$1.77 - $15.61

 
$
4.48

 
2,028,847

 Granted
1.70 - 2.88

 
1.75

 
442,956

 Exercised
1.70 - 2.55

 
2.15

 
(355,092
)
 Forfeited
1.70 - 6.63

 
3.96

 
(213,393
)
 Expired
5.86 - 10.36

 
8.18

 
(170,564
)
Balance, December 31, 2018
$1.70 - $15.61

 
$
3.84

 
1,732,754

 Granted
2.92

 
2.92

 
296,450

 Exercised
 1.70 - 2.92

 
2.27

 
(54,805
)
 Forfeited
1.70 - 7.42

 
3.94

 
(342,866
)
 Expired
6.97

 
6.97

 
(144,100
)
Balance, December 31, 2019
$1.70 - $15.61

 
$
3.43

 
1,487,433
Schedule of share-based compensation, shares authorized under stock option plans, by exercise price range
As of December 31, 2019, the outstanding stock options denominated in Cdn$ were as follows:
 
Options Outstanding
 
Options Exercisable
Exercise price
Quantity
 
Weighted Average Price
 
Weighted Average Remaining Contractual Life
 
Intrinsic Value
 
Quantity
 
Weighted Average Price
 
Weighted Average Remaining Contractual Life
 
Intrinsic Value
$5.00 to $9.99
73,650

 
$
5.85

 
0.07
 
$
—

 
73,650

 
$
5.85

 
0.07
 
$
—

 
73,650

 
 
 
 
 
$
—

 
73,650

 
 
 
 
 
$
—


As of December 31, 2019, the outstanding stock options denominated in USD$ were as follows:
 
Options Outstanding
 
Options Exercisable
Exercise price
Quantity
 
Weighted Average Price
 
Weighted Average Remaining Contractual Life
 
Intrinsic Value
 
Quantity
 
Weighted Average Price
 
Weighted Average Remaining Contractual Life
 
Intrinsic Value
$0.00 to $4.99
1,228,656

 
$
2.81

 
3.34
 
$
52

 
1,005,275

 
$
2.88

 
3.14
 
$
35

$5.00 to $9.99
158,862

 
$
6.00

 
2.13
 
—

 
158,862

 
6.00

 
2.13
 
—

$10.00 to $14.99
13,515

 
$
12.59

 
1.27
 
—

 
13,515

 
12.59

 
1.27
 
—

$15.00 to $19.99
12,750

 
$
15.61

 
1.03
 
—

 
12,750

 
$
15.61

 
1.03
 
—

 
1,413,783

 
 
 
 
 
$
52

 
1,190,402

 
 
 
 
 
$
35
Schedule of compensation costs for share-based payment arrangements
The share-based compensation recorded during the years ended December 31, 2019, 2018 and 2017 are as follows:
 
Years ended December 31,
 
2019
 
2018
 
2017
Share-based compensation (1)(2)
$
3,771

 
$
2,762

 
$
3,525


(1)
The fair value of the options granted under the Compensation Plan for the years ended December 31, 2019, 2018 and 2017 was estimated at the date of grant, using the Black-Scholes Option Valuation Model, with the following weighted average assumptions:
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
 
Years ended December 31,

2019
 
2018
 
2017
Risk-free interest rate
2.62
%
 
2.84
%
 
1.93
%
Expected life
5.0 years

 
5.0 years

 
5.0 years

Expected volatility
59.38%*

 
59.00%*

 
63.0%*

Expected dividend yield
0
%
 
0
%
 
0
%
Weighted average expected life of option
5.00

 
5.00

 
5.00

Weighted average grant date fair value
$
1.54

 
$
0.96

 
$
1.20

* Expected volatility is measured based on the Company’s historical share price volatility over a period equivalent to the expected life of the options.
Schedule of share-based compensation, restricted stock and restricted stock units activity
A summary of the status and activity of non-vested RSUs at December 31, 2019 is as follows:
 
Number of Shares
 
Weighted Average Grant Date Fair Value
Non-vested December 31, 2016
1,330,469

 
$
2.37

 Granted
1,390,705

 
2.09

 Vested
(752,580
)
 
2.35

 Forfeited
(59,118
)
 
2.29

Non-vested December 31, 2017
1,909,477

 
$
2.17

 Granted
1,191,132

 
1.70

 Vested
(1,486,126
)
 
2.24

 Forfeited
(34,296
)
 
2.00

Non-vested December 31, 2018
1,580,187

 
$
1.99

 Granted
731,435

 
2.91

 Vested
(862,378
)
 
2.00

 Forfeited
(133,708
)
 
2.40

Non-vested December 31, 2019
1,315,536

 
$
2.45

A summary of the status and activity of non-vested stock options at December 31, 2019 is as follows:
 
Number of Shares
 
Weighted Average Grant Date Fair Value
Non-vested December 31, 2016
227,178

 
$
1.48

 Granted
738,893

 
1.18

 Vested
(486,386
)
 
1.30

 Forfeited
(114,505
)
 
1.22

Non-vested December 31, 2017
365,180

 
$
1.20

 Granted
442,956

 
0.96

 Vested
(448,662
)
 
1.10

 Forfeited
(62,430
)
 
0.96

Non-vested December 31, 2018
297,044

 
$
1.06

 Granted
296,450

 
1.54

 Vested
(356,626
)
 
1.27

 Forfeited
(13,487
)
 
1.59

Non-vested December 31, 2019
223,381

 
$
1.32