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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) segment installment	Dec. 31, 2021 USD ($)	Jan. 01, 2022 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restricted cash	$ 200	$ 100
Long-lived assets impairment	397	0
Goodwill Impairment	5,506	0
Revenue recognized	(2,400)	700
Revenue	45,563	48,299
Advertising and marketing costs	$ 3,000	1,700
Dividend yield	0.00%
Number of annual vesting installments | installment	4
Number of operating segments | segment	1
Operating lease liabilities	$ 5,533
Operating lease right-of-use assets	$ 4,885	0
Accounting Standards Update 2016-02 | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease liabilities			$ 6,400
Operating lease right-of-use assets			5,900
Deferred rent credit			$ 500
Janssen Promotion Agreement
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Termination of agreement		600
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, plant and equipment, useful life	3 years
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, plant and equipment, useful life	5 years
Shipping and Handling
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of revenue	$ 2,700	$ 2,100
Revenue Benchmark | Supplier Concentration Risk | Two Suppliers
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk percentage	96.00%	96.00%
Revenue Benchmark | AVISE CTD Test | Product Concentration Risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk percentage	84.00%	81.00%
Blue Shield
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue	$ 1,200	$ 1,200

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