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Revenue and Accounts Receivable Credit Concentration - Summary of Revenue and Accounts Receivable by Third-party Payors and Other Customers (Details) - Customer Concentration Risk - Minimum	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenue | The State of Colorado
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%
Revenue | The Big Ten Conference
Concentration Risk [Line Items]
Concentration risk, percentage		40.00%
Revenue | Medicare
Concentration Risk [Line Items]
Concentration risk, percentage	37.00%	18.00%
Accounts Receivable | Medicare
Concentration Risk [Line Items]
Concentration risk, percentage	23.00%	30.00%
Accounts Receivable | Astrazeneca UK
Concentration Risk [Line Items]
Concentration risk, percentage	18.00%
Accounts Receivable | Janssen Research and Development, LLC
Concentration Risk [Line Items]
Concentration risk, percentage		14.00%
Accounts Receivable | LabCorp DD (formerly Covance)
Concentration Risk [Line Items]
Concentration risk, percentage		11.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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