Subsequent event (Details) $ in Thousands, $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Mar. 30, 2020
USD ($)
shares
|
Mar. 17, 2020
USD ($)
shares
|
Feb. 15, 2018
CAD ($)
shares
|
Dec. 31, 2019
CAD ($)
|
Dec. 31, 2018
CAD ($)
|
|
| Disclosure of non-adjusting events after reporting period [line items] | |||||
| Shares issued in public offering | shares | 2,246,094 | ||||
| Proceeds from public offering | $ 14,375 | $ 29,456 | $ 14,375 | ||
| Commissions and offering expenses | $ 863 | $ 2,499 | $ 1,148 | ||
| Piper Sandler & Co. [Member] | |||||
| Disclosure of non-adjusting events after reporting period [line items] | |||||
| Shares issued in public offering | shares | 30,000 | ||||
| Proceeds from public offering | $ 483 | ||||
| Commissions and offering expenses | $ 200 | ||||
| Shares issued | shares | 243,121 | ||||
| X | ||||||||||
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. No definition available.
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| X | ||||||||||
- Definition The increase (decrease) in the number of ordinary shares issued. [Refer: Ordinary shares [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The number of shares issued by the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The cash outflow for share issue costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The cash inflow from issuing shares. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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