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The following table is a reconciliation of income taxes at statutory rates: (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Income Tax Disclosure [Abstract] |  |  |
Loss before income taxes | $ 40,612 | $ 10,887 | $ 4,824
Combined federal and provincial statutory income tax rate | 27.00% | 27.00% | 27.00%
Income tax benefit at statutory tax rates | $ 10,965 | $ 2,940 | $ 1,303
Foreign rate differential | (131) | (72) | (31)
Earnout shares liability | (2,841) |  |
Warrant liability | (1,518) |  |
GXII transaction costs | (925) |  |
Share based compensation | (412) | (462) | (212)
Accretion expense | (496) | (407) | (158)
Loss on debt extinguishment | (54) |  |
Capital loss rate differential | (2) | (38) | 182
Change in estimates related to prior years | 14 | (274) | 739
Other | 45 | 26 | 18
Change in valuation allowance | (4,341) | (1,713) | (1,841)
Income tax benefit | $ (304) |  |

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