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Prepaid Expenses and Other Current Assets | 6 Months Ended
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Jun. 30, 2021
Prepaid Expense And Other Assets Current [Abstract] |
Prepaid Expenses and Other Current Assets |
3. | Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consisted of the following:
|  | June 30, 2021 |  |  | December 31, 2020 |
Prepaid corporate insurance |  | $ | 1,436 |  |  | $ | 562 |
Prepaid other and other current assets |  |  | 432 |  |  |  | 373 |
Prepaid R&D costs |  |  | 187 |  |  |  | 333 |
Total prepaid expenses and other current assets |  | $ | 2,055 |  |  | $ | 1,268 |

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