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Liquidity and Capital Resources (Details) - USD ($) |  |  |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 09, 2022 | Jul. 16, 2021 | May 26, 2021 | Apr. 26, 2021 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2021 | Mar. 31, 2021
Liquidity and Capital Resources [Abstract] |  |  |  |  |  |  |  |  |
Cash |  |  |  |  |  | $ 16,985,000 | $ 1,630,000 |  |
Accumulated deficit |  |  |  |  | $ (132,742,000) | (140,702,000) | (18,141,000) | $ (46,756,000) | $ (36,663,000)
Net loss |  |  |  |  |  | (122,545,000) |  |  |
Net cash used in operating activities |  |  |  |  |  | (23,488,000) | (8,101,000) |  |
IPR&D expense |  |  |  |  |  | 80,538,000 | 0 |  |
Loss on sales of assets |  |  |  |  |  | (9,648,000) | 0 |  |
Common stock to be purchased under common stock purchase agreement |  |  |  |  |  | 52,025,000 | 0 |  |
Cash paid, net |  |  |  |  |  | 22,854,000 | $ 0 |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Liquidity and Capital Resources [Abstract] |  |  |  |  |  |  |  |  |
Net proceeds | $ 11,000,000 |  |  |  |  |  |  |  |
Novellus, Ltd. [Member] |  |  |  |  |  |  |  |  |
Liquidity and Capital Resources [Abstract] |  |  |  |  |  |  |  |  |
IPR&D expense |  | $ 80,538,000 |  |  | $ 80,538,000 |  |  |  |
Cash paid, net |  | $ 22,854,000 |  |  |  |  |  |  |
Lincoln Park [Member] | First Purchase Agreement [Member] |  |  |  |  |  |  |  |  |
Liquidity and Capital Resources [Abstract] |  |  |  |  |  |  |  |  |
Common stock to be purchased under common stock purchase agreement |  |  |  |  |  | $ 20,000,000 |  |  |
Common stock purchase agreement commencement period |  |  |  |  |  | 36 months |  |  |
Common stock issued and sold during period (in shares) |  |  |  |  |  | 1,128,000 |  |  |
Gross proceeds |  |  |  |  |  | $ 20,000,000 |  |  |
Lincoln Park [Member] | First Purchase Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Liquidity and Capital Resources [Abstract] |  |  |  |  |  |  |  |  |
Common stock to be purchased under common stock purchase agreement |  |  |  | $ 20,000,000 |  |  |  |  |
Lincoln Park [Member] | Second Purchase Agreement [Member] |  |  |  |  |  |  |  |  |
Liquidity and Capital Resources [Abstract] |  |  |  |  |  |  |  |  |
Common stock purchase agreement commencement period |  |  |  |  |  | 36 months |  |  |
Common stock issued and sold during period (in shares) |  |  |  |  |  | 2,424,000 |  |  |
Gross proceeds |  |  |  |  |  | $ 34,106,000 |  |  |
Lincoln Park [Member] | Second Purchase Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Liquidity and Capital Resources [Abstract] |  |  |  |  |  |  |  |  |
Common stock to be purchased under common stock purchase agreement |  |  | $ 40,000,000 |  |  |  |  |  |

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