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Income Taxes - Schedule of Effective Tax Rate (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract] |  |
U.S. federal income taxes at the statutory rate | $ (915) | $ (4,609)
Goodwill impairment | 0 | 1,547
State taxes, net of federal effects | (58) | (375)
U.S. Federal and state NOL carryforward adjustment for expired NOLs | 613 | 76
Stock compensation plan adjustments | 385 | 16
Change in valuation allowance | (112) | 3,273
Other | 114 | 65
Income tax expense (benefit) | $ 27 | $ (7)

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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 35 -Paragraph 2 -SubTopic 740 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480887/718-740-35-2 + Details
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