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Prepaid Expenses and Other Current Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets consisted of the following (in thousands):
|  | December 31,
|  | 2019 |  | 2018
Research and development claims receivable |  | $ | 27,567 |  |  | $ | 10,272 |
Prepayments |  | 7,023 |  |  | 2,069 |
VAT receivable |  | 1,928 |  |  | 1,973 |
Other asset |  | 279 |  |  | — |
Grant income receivable |  | 547 |  |  | 661 |
Other receivable |  | 482 |  |  | 436 |
Total prepaid expenses and other current assets |  | $ | 37,826 |  |  | $ | 15,411 |

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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=6877327&loc=d3e13212-122682 + Details
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