Note 13 - Finance Income and Expense - Components of Finance Income (Details) $ in Thousands, $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2016
CAD ($)
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2015
CAD ($)
|
|
| Statement Line Items [Line Items] | |||||
| Interest income | $ 68 | $ 79 | $ 226 | ||
| Foreign exchange gain on cash and cash equivalents | 97 | 954 | |||
| 165 | 79 | $ 105 | 1,180 | $ 1,516 | |
| Interest expense | 21 | ||||
| Accretion expense | 13 | ||||
| Foreign exchange loss on cash and cash equivalents | 46 | ||||
| $ 46 | $ 66 | $ 34 | $ 43 | ||
| X | ||||||||||
- Definition The amount of accretion expense incurred during the period. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of costs associated with financing activities of the entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of income associated with interest and other financing activities of the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of expense arising from interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The net gain arising from foreign exchange differences. [Refer: Foreign exchange gain (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The net loss arising from foreign exchange differences. [Refer: Foreign exchange gain (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of income arising from interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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