Shareholders' equity (deficit) (Tables)
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6 Months Ended |
Jun. 30, 2019 |
| Shareholders' equity (deficit) |
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| Schedule of additional paid-in capital |
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Three months ended June 30,
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Six months ended June 30,
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2019
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2018
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2019
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2018
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Opening balance
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$
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2,840
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$
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2,472
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$
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2,655
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$
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2,372
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Share-based compensation expense
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276
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79
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487
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204
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Exercise of stock options
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—
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(7)
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(26)
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(32)
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Closing balance
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$
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3,116
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$
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2,544
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$
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3,116
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$
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2,544
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| Schedule of outstanding and exercisable options |
The total outstanding and exercisable options from the 2011 Plan and 2019 Plan as at June 30 were as follows:
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2019
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2018
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Weighted
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Weighted
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average
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average
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Number
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exercise
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Number
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exercise
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of shares
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price
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of shares
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price
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Outstanding at beginning of period
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2,295,045
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$
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1.7714
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968,782
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$
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1.1330
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Forfeited/cancelled
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—
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—
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(12,198)
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1.0958
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Granted – 2011 Plan
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116,739
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9.4152
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887,432
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1.5400
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Granted – 2019 Plan
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46,998
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15.0000
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—
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—
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Exercised
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(18,153)
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1.3225
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(42,781)
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0.8298
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Outstanding at end of period
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2,440,629
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$
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2.3963
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1,801,235
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$
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1.3405
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Exercisable at end of period
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771,478
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$
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1.3777
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563,565
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$
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1.0266
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| Schedule of non-vested share options activity |
The non-vested options as at June 30 were as follows:
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2019
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2018
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Weighted
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Weighted
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Number
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average
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Number
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average
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of options
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fair value
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of options
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fair value
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Non-vested at beginning of period
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1,706,303
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$
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1.3458
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451,113
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$
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1.0266
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Forfeited/cancelled
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—
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—
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(12,198)
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1.0639
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Granted – 2011 Plan
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116,739
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6.6491
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887,432
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1.1114
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Granted – 2019 Plan
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46,998
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10.7731
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—
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—
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Vested, outstanding
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(200,889)
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1.1787
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(88,600)
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1.0958
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Non-vested share options at end of period
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1,669,151
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$
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2.0041
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1,237,747
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$
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1.0798
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| Schedule of weighted average assumptions for the options granted |
The fair value of options granted was estimated using the Black-Scholes option pricing model, resulting in the following weighted average assumptions for the options granted for the three-month and six-month periods ended June 30:
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Three months ended June 30,
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Six months ended June 30,
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2019
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2018
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2019
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2018
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Exercise price
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$
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12.05
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$
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1.54
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$
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11.02
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$
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1.54
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Share price
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$
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12.05
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$
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1.54
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$
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11.02
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$
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1.54
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Volatility
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82
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%
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82
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%
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|
81
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%
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82
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%
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Risk-free interest rate
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2.36
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%
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2.73
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%
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2.41
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%
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2.77
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%
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Expected life
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6.25 years
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6.25 years
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6.25 years
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6.25 years
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Dividend
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0
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%
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0
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%
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0
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%
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0
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%
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| Schedule of share-based compensation expense |
The Company recognized share-based compensation expense as follows for the three and six months ended June 30:
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Three months ended June 30,
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Six months ended June 30,
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2019
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2018
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2019
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2018
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Administration
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$
|
133
|
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$
|
21
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$
|
203
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$
|
50
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Research and development
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109
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49
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234
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125
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Commercial activities
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34
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10
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50
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29
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$
|
276
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$
|
80
|
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$
|
487
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$
|
204
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