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Income Taxes - Effective Income Tax Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |
U.S. Federal benefit at statutory rate | $ (4,865) | $ (11,908)
Permanent nondeductible expenses for U.S. taxes | 875 | 7,238
Permanent nondeductible expenses for U.S. taxes | 809 | 8,604
Change in state deferred | 569 | 162
Tax Return to Provision | (58) | (1)
Tax Return to Provision | 166 | (25)
Other true ups | (22) | (21)
Section 382 NOL Limitation | 0 | 18,553
Sale of New Jersey State NOLs | (2,330) | (2,479)
Valuation allowance for deferred tax assets | 2,526 | (22,602)
Tax benefit | $ (2,330) | $ (2,479)

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