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Fair Value Measurements (Narrative) (Details) - $ / shares | Jun. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.01 |  | $ 0.01
Common Stock, No Par Value | 0.01 | $ 0.01 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.01 | $ 0.01 |

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