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Prepaid Expenses and Other Assets, Current (Tables) | 3 Months Ended
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Mar. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid expenses and other assets, current consisted of the following (in thousands):
| March 31, 2021 |  | December 31, 2020
Research and development claims receivable | $ | 30,791 |  |  | $ | 24,711 |
Prepayments | 7,477 |  |  | 10,206 |
VAT receivable | 3,292 |  |  | 3,124 |
Lease receivables from terminations | 4,480 |  |  | 1,237 |
Grant income receivable | 411 |  |  | 414 |
Other receivable | 257 |  |  | 199 |
Deferred cost | 1,554 |  |  | 3,008 |
Total prepaid expenses and other current assets | $ | 48,262 |  |  | $ | 42,899 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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