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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) installment	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
New Accounting Pronouncement, Early Adoption [Line Items]
Restricted cash	$ 200		$ 200		$ 200
Revenue recognized in previous periods	400	$ 600	1,000	$ 6,200
Deferred revenue	600		600		700
Revenue recognized			400	0
Allowance for credit loss	0	$ 0	0	0
Accounts receivable, net	11,092		11,092		7,835
Loan commitment fees	1,157		1,157		$ 0
Loan commitment fees, noncurrent	400		400
Amortization of loan commitment fees	$ 300		$ 461	$ 0
Stock options, vesting period | installment			4
Revenue | Product Concentration Risk | AVISE CTD Test
New Accounting Pronouncement, Early Adoption [Line Items]
Percent of total revenue	87.00%	93.00%	89.00%	91.00%
Revenue | Supplier Concentration Risk | Two Suppliers
New Accounting Pronouncement, Early Adoption [Line Items]
Percent of total revenue	97.00%	98.00%
Revenue | Supplier Concentration Risk | Three Suppliers
New Accounting Pronouncement, Early Adoption [Line Items]
Percent of total revenue			95.00%	97.00%

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