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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2023
Income Tax Disclosure [Abstract] |
Schedule of Income Tax Provision | The Company’s income tax provision for the years ended December 31, 2023 and 2022, consists of the following (in thousands): Current
|  | December 31, |
|  | 2023 |  |  | 2022 |
Federal |  | $ | — |  |  | $ | — |
Foreign |  |  | 110 |  |  |  | 47 |
State |  |  | — |  |  |  | — |
Provision (benefit) for income taxes |  | $ | 110 |  |  | $ | 47 |
Schedule of Tax Effects of Temporary Differences and Deferred Tax Assets and Liabilities | The income tax effect of temporary differences that give rise to deferred tax assets and (liabilities) consist of the following (in thousands):
|  | December 31, |
|  | 2023 |  |  | 2022 |
Deferred tax assets: |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 60,753 |  |  | $ | 52,616 |
Deferred compensation |  |  | 5,547 |  |  |  | 3,974 |
Research and development expenses |  |  | 4,566 |  |  |  | 1,743 |
Research and development credits |  |  | 2,357 |  |  |  | 1,918 |
Disallowed interest expense carryover |  |  | 830 |  |  |  | 444 |
Operating lease liability |  |  | 388 |  |  |  | 436 |
Provision for bad debt |  |  | 310 |  |  |  | 398 |
Other |  |  | 285 |  |  |  | 144 |
Gross deferred tax assets |  |  | 75,036 |  |  |  | 61,673 |
Less: Valuation allowance |  |  | (74,655 | ) |  |  | (61,251 | )
Deferred tax assets, net of valuation allowance |  |  | 381 |  |  |  | 422 |
Operating lease right-of-use assets |  |  | (381 | ) |  |  | (422 | )
Deferred tax liabilities: |  |  | (381 | ) |  |  | (422 | )
Net deferred tax assets |  | $ | — |  |  | $ | — |
Summery statutory federal income tax rate | The reconciliation of the statutory federal income tax rate to the Company’s effective tax rate is as follows (in thousands):
|  | December 31, |
|  | 2023 |  |  | 2022 |
Tax at statutory federal rate |  |  | 21 | % |  |  | 21 | %
State tax, net of federal benefit |  |  | 5 | % |  |  | 5 | %
Research and development credit |  |  | 2 | % |  |  | 1 | %
Change in valuation allowance |  |  | (25 | )% |  |  | (26 | )%
Other |  |  | (3 | )% |  |  | (1 | )%
Effective tax rate |  |  | — |  |  |  | — |
Schedule of Unrecognized Tax Benefits Roll Forward | The following table summarizes the activity related to the unrecognized tax benefits (in thousands):
|  | December 31, |
|  | 2023 |  |  | 2022 |
Unrecognized tax benefits at the beginning of the year |  | $ | 741 |  |  | $ | 580 |
Additions based on tax positions related to the current year |  |  | 162 |  |  |  | 161 |
Additions for tax positions of prior years |  |  | — |  |  |  | — |
Unrecognized tax benefits at the end of the year |  | $ | 903 |  |  | $ | 741 |

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