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Commitments and Contingencies (Cash Flows) (Details) - USD ($) $ in Thousands |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 15, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Commitments and Contingencies |  |  |  |  |
Operating cash flows from operating leases |  | $ 406 | $ 395 | $ 529 | $ 485
Gain on lease modification | $ 200 | $ 314 | $ 220 | $ 220 |
Weighted-average remaining lease term - operating leases |  | 2 years | 4 years 8 months 12 days | 4 years 6 months | 5 years 10 months 24 days
Weighted-average discount rate - operating leases |  | 9.00% | 9.10% | 9.10% | 9.10%

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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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