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Organization and Description of Business (Details) - USD ($) $ in Thousands, shares in Millions | 12 Months Ended | 180 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Organization and Description of Business [Line Items] |  |  |
Net cash proceeds from the offering |  | $ 91,000 |
Cash and cash equivalents | $ 6,451 | 6,451 | $ 7,607
Accumulated deficit | (88,523) | (88,523) | (82,765)
Short-term held-to-maturity investments | 2,606 | $ 2,606 | $ 0
At The Market Facility (ATM) |  |  |
Organization and Description of Business [Line Items] |  |  |
Net cash proceeds from the offering | $ 6,500 |  |
Number of shares of common stock issued | 6.3 |  |

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