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Federal Income Taxes - Schedule of Reconciliation of Expected Income Tax on Net Income at Statutory Rates (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |
Net loss | $ (35,687) | $ (19,288)
Statutory tax rate | 21.00% | 34.00%
Tax recovery at statutory rate | $ (7,494) | $ (6,558)
Foreign tax rate | (801) | 71
Change in US tax rates | 1 | 37,233
Other adjustments | (1,076) |
Capital loss carryforward adjustment | 367 | (44)
Operating loss carryforward adjustment | 271 | 710
Operating loss Section 382 adjustment | 49,303 |
Nondeductible write-offs | 2 | 15
Change in valuation allowance | (40,573) | (31,427)
Income tax expense (recovery) |  |

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