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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Tax Disclosure [Abstract] |
Schedule of Loss Before Income Taxes | Loss before income taxes consists of:
|  | For the Years Ended December 31, |
|  | 2021 |  |  | 2020 |
Domestic |  | $ | (25,881 | ) |  | $ | (23,643 | )
Foreign |  |  | 232 |  |  |  | (513 | )
Loss before taxes |  | $ | (25,649 | ) |  | $ | (24,156 | )
Income Tax Reconciliation | The provision for income taxes differs from the amount computed by applying the statutory rate as follows:
|  | For the Years Ended December 31, |
|  | 2021 |  |  | 2020 |
Income taxes using U.S federal statutory rate |  | $ | (5,386 | ) |  | $ | (5,073 | )
Nondeductible interest |  |  | 39 |  |  |  | 315 |
Loss of tax benefit of state net operating loss carryforwards |  |  | 2,799 |  |  |  | (11 | )
Branch income |  |  | 229 |  |  |  | (238 | )
State income taxes, net of federal benefit |  |  | 311 |  |  |  | (1,788 | )
Foreign rate differential |  |  | 27 |  |  |  | (238 | )
Valuation allowance |  |  | 2,114 |  |  |  | 6,281 |
Derivative charge |  |  | — |  |  |  | 595 |
Stock option expense, exercises and cancellations |  |  | 446 |  |  |  | 308 |
Research and development costs |  |  | (375 | ) |  |  | (166 | )
Other |  |  | (204 | ) |  |  | 15 |
|  | $ | — |  |  | $ | — |
Significant Components of Deferred Tax Assets | Significant components of the Company’s deferred tax assets are as follows:
|  | For the Years Ended December 31, |
|  | 2021 |  |  | 2020 |
Deferred tax assets: |  |  |  |  |  |  |  |
Employee compensation accruals |  | $ | 1,777 |  |  | $ | 796 |
Accrued liabilities |  |  | 29 |  |  |  | 361 |
Research tax credits |  |  | 721 |  |  |  | 346 |
Lease obligation |  |  | 107 |  |  |  | 265 |
Other |  |  | 89 |  |  |  | 87 |
Net operating losses |  |  | 20,520 |  |  |  | 19,742 |
Total deferred tax assets |  |  | 23,243 |  |  |  | 21,597 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Right of use asset |  |  | 118 |  |  |  | 265 |
Total deferred tax liabilities |  |  | 118 |  |  |  | 265 |
Valuation allowance |  |  | 23,125 |  |  |  | 21,332 |
Net deferred tax assets |  | $ | — |  |  | $ | — |
Summary of Change in Valuation | The change in valuation allowance is as follows:
|  | December 31, |
|  | 2021 |  |  | 2020 |
Beginning balance |  | $ | 21,332 |  |  | $ | 14,793 |
Charged to costs and expenses |  |  | 2,114 |  |  |  | 6,281 |
Charged to other comprehensive income |  |  | (321 | ) |  |  | 258 |
Ending balance |  | $ | 23,125 |  |  | $ | 21,332 |

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