Nature of Operations - Liquidity (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
Dec. 31, 2021 |
|
| Nature of Operations | |||||
| Comprehensive loss for the period | $ (7,054) | $ 1,027 | $ (18,682) | $ (16,032) | |
| Accumulated deficit | (874,928) | (874,928) | $ (856,248) | ||
| Working capital | $ (16,512) | $ (16,512) | $ 1,116 | ||
| X | ||||||||||
- Definition Amount of working capital recognized. No definition available.
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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