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Income Taxes (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Income Taxes |  |  |
Income tax benefit (expense) | $ 0 | $ 0 |
Accrued interest or penalties related to uncertain tax positions | 0 |  | $ 0
Interest or penalties related to uncertain tax positions recognized in the Company's statements of operations | $ 0 |  | $ 0

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