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Trade Receivables - Summary of Receivables (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total receivables | $ 1,843 | $ 1,980
Billed |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total receivables | 540 | 310
Unbilled |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total receivables | 1,303 | 1,670
U.S. Department of Health and Human Services |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total receivables | 1,303 | 1,675
U.S. Department of Health and Human Services | Billed |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total receivables | 0 | 5
U.S. Department of Health and Human Services | Unbilled |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total receivables | 1,303 | 1,670
Royalty receivables from partners |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Receivables | 540 | 305
Royalty receivables from partners | Billed |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Receivables | 540 | 305
Royalty receivables from partners | Unbilled |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Receivables | $ 0 | $ 0

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- Definition The total amount due to (from) the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable (payable), notes and loans receivable (payable), as well as any other types of receivables (payables), net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. + References No definition available. + Details
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- Definition The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(5)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-06(3)) -URI https://asc.fasb.org/extlink&oid=120401414&loc=d3e604059-122996 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 + Details
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