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Prepaid Expenses and Other Current Assets | 9 Months Ended
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Sep. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepaid Expenses and Other Current Assets | Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consisted of the following (in thousands):
| September 30, |  | December 31,
| 2022 |  | 2021
Research and development claims receivable | $ | 36,548 |  |  | $ | 23,678 |
Prepayments | 7,175 |  |  | 8,713 |
VAT receivable | 2,344 |  |  | 1,849 |
Accounts receivable | 2,088 |  |  | — |
Lease and lease deposit receivable | 29 |  |  | 68 |
Other asset | 135 |  |  | 240 |
Grant income receivable | 2 |  |  | 384 |
Other receivable | 271 |  |  | 271 |
Deferred cost | 351 |  |  | 1,073 |
Total prepaid expenses and other current assets | $ | 48,943 |  |  | $ | 36,276 |
In October 2022, the Company received $19.1 million in relation to its 2021 U.K research and development tax credit claim from His Majesty's Revenue and Customs, ("HMRC"). The U.K research and development tax credit receivable is included in the "Research and development claims receivable" line item above as of September 30, 2022.

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