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Income Taxes (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CAD ($)
Income Taxes |  |  |  |
Loss before income taxes |  | $ 16,790,000 |  | $ 10,763,000
Canadian federal and provincial income tax rates | 27.00% | 27.00% | 27.00% | 27.00%
Expected income tax recovery |  | $ (4,533,000) |  | $ (2,906,000)
Increase (decrease) in income tax recovery resulting from: |  |  |  |
Spin-out transaction | $ 0 |  | $ 8,650 |
Acquestion of Eastmain | $ 0 |  | $ (7,838) |
Share-based compensation |  | 552,000 |  | 683,000
Share issuance costs |  | (60,000) |  | (462,000)
Adjustment to tax estimates |  | 1,170,000 |  | (22,000)
Amortization of flow-through share premium |  | (1,220,000) |  | (120,000)
Flow-through expenditures renunciation |  | 2,856,000 |  | 489,000
Difference in future and foreign tax rates |  | (172,000) |  | 234,000
Other |  | (149,000) |  | 55,000
Increase in unrecognized tax asset |  | 1,556,000 |  | 1,237,000
Income tax recovery |  | $ 0 |  | $ 0

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