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Impairment charges on intangible assets and property, plant and equipment | 12 Months Ended
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Dec. 31, 2018
Impairment of Assets [Abstract] |
Impairment charges on intangible assets and property, plant and equipment | Impairment charges on intangible assets and property, plant and equipment: During the year ended December 31, 2017, the Corporation recorded total impairment losses of $1,484,000, consisting of a $1,200,000 impairment charge on intangible assets and a $284,000 impairment charge on property, plant and equipment as the Corporation wrote-off certain SOFC assets to their estimated net realizable value of $50,000. The impairment charges were incurred as a result of the Corporation's divestiture of its SOFC assets to Upstart Power (note 27).

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- Definition Impairment of Assets [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for the impairment of assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2017-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2017-03-01&anchor=sect_Disclosure&doctype=Standard -URIDate 2017-03-09 + Details
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