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SHARE-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2020
Share Based Compensation Abstract |
Share based compensation expense |
(in thousands) |  | 2020 |  | 2019
Share based compensation expense for: |  |  |  |  |  |  |  |
Share options |  | $ | (559 | ) |  | $ | (776 | )
RSUs |  |  | (1,034 | ) |  |  | (1,043 | )
PSUs |  |  | (234 | ) |  |  | (403 | )
Share based compensation expense |  | $ | (1,827 | ) |  | $ | (2,222 | )
Stock options continuity |
|  | 2020 |  | 2019
|  |  |  | Weighted |  |  |  | Weighted
|  |  |  | Average |  |  |  | Average
|  |  |  | Exercise |  |  |  | Exercise
|  | Number of Common |  | Price per Share |  | Number of Common |  | Price per Share
|  | Shares |  | (CAD) |  | Shares |  | (CAD)
| Share options outstanding – January 1 |  |  |  | 13,827,243 |  |  | $ | 0.75 |  |  |  | 13,865,193 |  |  | $ | 0.83 |
| Grants |  |  |  | 3,671,000 |  |  |  | 0.46 |  |  |  | 3,005,000 |  |  |  | 0.67 |
| Exercises (1) |  |  |  | (251,500 | ) |  |  | 0.59 |  |  |  | (663,150 | ) |  |  | 0.61 |
| Expiries |  |  |  | (1,424,000 | ) |  |  | 0.97 |  |  |  | (866,000 | ) |  |  | 1.81 |
| Forfeitures |  |  |  | (745,500 | ) |  |  | 0.67 |  |  |  | (1,513,800 | ) |  |  | 0.79 |
| Share options outstanding – December 31 |  |  |  | 15,077,243 |  |  | $ | 0.67 |  |  |  | 13,827,243 |  |  | $ | 0.75 |
| Share options exercisable – December 31 |  |  |  | 10,289,743 |  |  | $ | 0.74 |  |  |  | 9,747,721 |  |  | $ | 0.80 |
(1) | The weighted average share price at the date of exercise was CAD$0.72 (2019: CAD$0.70).
Stock options outstanding |
Range of Exercise Prices per Share (CAD) |  | Weighted-Average Remaining Contractual Life (Years) |  | Number of Common Shares |  | Weighted-Average Exercise Price per Share (CAD)
Stock options outstanding |  |  |  |  |  |  |  |  |  |  |  |
$0.25 to $ 0.49 |  |  | 4.21 |  |  |  | 3,502,000 |  |  | $ | 0.45 |
$0.50 to $ 0.74 |  |  | 2.26 |  |  |  | 6,443,643 |  |  |  | 0.64 |
$0.75 to $ 0.99 |  |  | 1.19 |  |  |  | 5,131,600 |  |  |  | 0.85 |
|  |  | 2.35 |  |  |  | 15,077,243 |  |  | $ | 0.67 |
Fair value of options granted assumptions |
|  |  | 2020 |  |  |  | 2019
Risk-free interest rate |  |  | 0.27% - 0.67% |  |  |  | 1.31% - 1.65%
Expected stock price volatility |  |  | 44.16% - 54.16% |  |  |  | 43.86% - 49.46%
Expected life |  |  | 3.4 years |  |  |  | 3.4 to 3.5 years
Estimated forfeiture rate |  |  | 2.84% - 3.08% |  |  |  | 2.82% - 3.12%
Expected dividend yield |  |  | — |  |  |  | —
Fair value per option granted |  |  | CAD$0.15 - CAD$0.25 |  |  |  | CAD$0.19 - CAD$0.26
RSUs continuity |
|  | 2020 |  | 2019
|  |  |  | Weighted |  |  |  | Weighted
|  |  |  | Average |  |  |  | Average
|  | Number of |  | Fair Value |  | Number of |  | Fair Value
|  | Common |  | Per RSU |  | Common |  | Per RSU
|  | Shares |  | (CAD) |  | Shares |  | (CAD)
| RSUs outstanding – January 1 |  |  |  | 2,754,099 |  |  | $ | 0.70 |  |  |  | 1,200,432 |  |  | $ | 0.65 |
| Grants |  |  |  | 3,345,750 |  |  |  | 0.38 |  |  |  | 1,927,000 |  |  |  | 0.73 |
| Exercises (1) |  |  |  | (238,949 | ) |  |  | 0.69 |  |  |  | (373,333 | ) |  |  | 0.70 |
| Forfeitures |  |  |  | (169,001 | ) |  |  | 0.59 |  |  |  | — |  |  |  | — |
| RSUs outstanding – December 31 |  |  |  | 5,691,899 |  |  | $ | 0.52 |  |  |  | 2,754,099 |  |  | $ | 0.70 |
| RSUs vested – December 31 |  |  |  | 970,670 |  |  | $ | 0.69 |  |  |  | 303,810 |  |  | $ | 0.65 |
(1) | The weighted average share price at the date of exercise was CAD$0.56 (2019: CAD$0.67).
PSUs continuity |
|  | 2020 |  | 2019
|  |  |  | Weighted |  |  |  | Weighted
|  |  |  | Average |  |  |  | Average
|  | Number of |  | Fair Value |  | Number of |  | Fair Value
|  | Common |  | Per PSU |  | Common |  | Per PSU
|  | Shares |  | (CAD) |  | Shares |  | (CAD)
| PSUs outstanding – January 1 |  |  |  | 2,140,000 |  |  | $ | 0.65 |  |  |  | 2,200,000 |  |  | $ | 0.65 |
| Grants |  |  |  | 180,000 |  |  |  | 0.38 |  |  |  | 240,000 |  |  |  | 0.69 |
| Exercises (1) |  |  |  | (120,000 | ) |  |  | 0.65 |  |  |  | (60,000 | ) |  |  | 0.65 |
| Forfeitures |  |  |  | (180,000 | ) |  |  | 0.65 |  |  |  | (240,000 | ) |  |  | 0.65 |
| PSUs outstanding – December 31 |  |  |  | 2,020,000 |  |  | $ | 0.63 |  |  |  | 2,140,000 |  |  | $ | 0.65 |
| PSUs vested – December 31 |  |  |  | 700,000 |  |  | $ | 0.65 |  |  |  | 380,000 |  |  | $ | 0.65 |
(1) | The weighted average share price at the date of exercise was CAD$0.67 (2019: CAD$0.67).

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