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v3.23.2

Trade Receivables (Tables) | 6 Months Ended
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Jun. 30, 2023
Receivables [Abstract] |
Summary of Receivables | Receivables from collaborations were as follows (in thousands):
| June 30, 2023
| Billed |  | Unbilled |  | Total
U.S. Department of Health and Human Services, net | $ | — |  |  | $ | 113 |  |  | $ | 113 |
Royalty receivables from partners | 1,958 |  |  | — |  |  | 1,958 |
Total receivables | $ | 1,958 |  |  | $ | 113 |  |  | $ | 2,071 |
| December 31, 2022
| Billed |  | Unbilled |  | Total
U.S. Department of Health and Human Services, net | $ | 7,218 |  |  | $ | 284 |  |  | $ | 7,502 |
Royalty receivables from partners | 741 |  |  | — |  |  | 741 |
Other collaborations | — |  |  | 25 |  |  | 25 |
Total receivables | $ | 7,959 |  |  | $ | 309 |  |  | $ | 8,268 |

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