Income Taxes (Details) $ in Thousands |
Dec. 31, 2017
USD ($)
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| UNITED STATES | |
| Income Tax Loss Carryforwars [Line Items] | |
| Deferred Tax Assets, Operating Loss Carryforwards, Foreign | $ 87,851,252 |
| CANADA | |
| Income Tax Loss Carryforwars [Line Items] | |
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | $ 34,520,023 |
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- Definition Income Tax Loss Carryforwars [Line Items] No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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