Industry, Geographic, and Revenue Disaggregation - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 3,110	$ 3,588	$ 2,125	$ 2,342	$ 3,470	$ 2,271	$ 1,806	$ 1,750	$ 11,165	$ 9,297	$ 5,670
Accelerate Pheno revenue
Disaggregation of Revenue [Line Items]
Net sales									11,025	9,132	5,547
Other revenue
Disaggregation of Revenue [Line Items]
Net sales									140	165	123
Products
Disaggregation of Revenue [Line Items]
Net sales									10,336	8,839	5,576
Services
Disaggregation of Revenue [Line Items]
Net sales									829	458	94
Domestic
Disaggregation of Revenue [Line Items]
Net sales									10,305	6,705	4,153
Foreign
Disaggregation of Revenue [Line Items]
Net sales									$ 860	$ 2,592	$ 1,517