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Property and Equipment - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022
Property, Plant and Equipment [Line Items] |  |  |  |
Depreciation |  |  | $ 33 | $ 159
Gain (loss) on disposal of fixed assets |  |  | $ 0 | $ 338
Ultraviolet-C Light Disinfection Robots |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Loss on impairment | $ (262) | $ 76 |  |

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