For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Revenue and Accounts Receivable Credit Concentration - Summary of Revenue and Accounts Receivable by Third-party Payors and Other Customers (Details) - Customer Concentration Risk - Minimum	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Revenue \| The State of Colorado
Concentration Risk [Line Items]
Concentration risk, percentage	22.00%		16.00%
Revenue \| The Big Ten Conference
Concentration Risk [Line Items]
Concentration risk, percentage		40.00%		53.00%
Revenue \| Medicare
Concentration Risk [Line Items]
Concentration risk, percentage	28.00%	56.00%	33.00%	56.00%
Accounts Receivable \| The State of Colorado
Concentration Risk [Line Items]
Concentration risk, percentage			27.00%
Accounts Receivable \| Medicare
Concentration Risk [Line Items]
Concentration risk, percentage			26.00%		30.00%
Accounts Receivable \| Janssen Research and Development, LLC
Concentration Risk [Line Items]
Concentration risk, percentage			11.00%		14.00%
Accounts Receivable \| LabCorp DD (formerly Covance)
Concentration Risk [Line Items]
Concentration risk, percentage			4.00%		11.00%