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Organization and Description of Business (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Aug. 24, 2020 | Dec. 31, 2021 | Dec. 31, 2020
Organization and Description of Business [Line Items] |  |  |  |
Proceeds from Issuance of Common Stock | $ 1,300 | $ 4,800 |  |
Number of shares of common stock issued |  |  |  | 3,242
Share price of common stock issued |  |  |  | $ 2.00
Accumulated deficit |  |  | $ (82,765) | $ (74,874)
At The Market Facility (ATM) |  |  |  |
Organization and Description of Business [Line Items] |  |  |  |
Proceeds from Issuance of Common Stock |  |  | $ 5,500 |
Number of shares of common stock issued |  |  | 1,093 |
Share price of common stock issued |  |  | $ 5.03 |
Deferred Offering Costs |  |  | $ 190 |
Net cash proceeds from the offering |  |  | $ 5,300 |

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