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Disaggregation of Revenues and Concentration Risk - Schedule of Consolidated Revenues Generated by Unaffiliated Customers (Details) | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Concentration risk, percentage | 100.00% | 100.00% |
Medicare for DetermaRx [Member] |  |  |
Concentration risk, percentage | 27.00% | 0.00% |
Medicare Advantage for DetermaRx [Member] |  |  |
Concentration risk, percentage | 27.00% | 0.00% |
Pharma Services Company A [Member] |  |  |
Concentration risk, percentage | 20.00% | 0.00% | [1]
Pharma Services Company B [Member] |  |  |
Concentration risk, percentage | 15.00% | 0.00% | [1]
[1] | Less than 10%

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- Definition 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. + References 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 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -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 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611 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 + Details
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