Note 6 - Share Capital - Loss Per Share (Details) - shares shares in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
| Statement Line Items [Line Items] | ||||
| Issued common shares, beginning of period (in shares) | 34,411 | 23,345 | 27,502 | 15,722 |
| Effect of ATM issuances (in shares) | 174 | 716 | 693 | 5,180 |
| Effect of shares issued pursuant to share purchase agreements (in shares) | 3,814 | |||
| Effect of exercise of stock options (in shares) | 2 | 30 | ||
| Effect of RSUs redemptions (in shares) | 52 | |||
| Issued common shares, end of period (in shares) | 34,587 | 24,061 | 32,039 | 20,954 |
| X | ||||||||||
- Definition The number of ordinary shares that relate to the assumed exercise of the entity's ATM issuances. No definition available.
|
| X | ||||||||||
- Definition The effect due to the exercise of stock options. No definition available.
|
| X | ||||||||||
- Definition The number of potential ordinary shares that relate to RSU redemption. No definition available.
|
| X | ||||||||||
- Definition The number of ordinary shares that relate to purchase agreements. No definition available.
|
| X | ||||||||||
- Definition Number of ordinary shares outstanding at the beginning of the period to calculate the weighted average number of shares outstanding for the period. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|