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Accrued Expenses and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2024
Accrued Expenses and Other Current Liabilities [Abstract] |
Accrued expenses and other current liabilities | 5. Accrued expenses and other current liabilities Other accrued expenses and other current liabilities consisted of the following (in thousands):
|  | As of December 31, |
|  | 2024 |  |  | 2023 |
Payroll and related costs |  | $ | 118 |  |  | $ | 762 |
Professional fees |  |  | 288 |  |  |  | 489 |
Operating lease liabilities |  |  | 1,633 |  |  |  | 1,473 |
Other accrued expenses and current liabilities |  |  | 88 |  |  |  | 409 |
Accrued expenses and other current liabilities |  | $ | 2,127 |  |  | $ | 3,133 |
We incurred no advertising costs in 2024 and 2023.

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483384/720-30-45-1 + Details
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