| Lease Agreements - Additional information (Details) - USD ($) $ in Thousands | 12 Months Ended | |
|---|---|---|
| Dec. 31, 2022 | Dec. 31, 2021 | |
| Lease Agreements | ||
| Cash paid for amounts included in the measurement of lease liabilities, Operating cash flows under operating leases | $ 202 | $ 196 | 
| Weighted-average remaining lease term, Operating leases | 2 months 1 day | 1 year 2 months 1 day | 
| Weighted-average discount rate, Operating leases | 5.51% | 5.51% | 
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- References No definition available. 
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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