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Trade Receivables - Summary of Receivables (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables $ 2,071 $ 8,268
Billed    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 1,958 7,959
Unbilled    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 113 309
U.S. Department of Health and Human Services, net    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 113 7,502
U.S. Department of Health and Human Services, net | Billed    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 0 7,218
U.S. Department of Health and Human Services, net | Unbilled    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 113 284
Royalty receivables from partners    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 1,958 741
Royalty receivables from partners | Billed    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables 1,958 741
Royalty receivables from partners | Unbilled    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables $ 0 0
Other collaborations    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables   25
Other collaborations | Billed    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables   0
Other collaborations | Unbilled    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables   $ 25