Industry, Geographic and Revenue Disaggregation - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 2,342	$ 1,750
Accelerate Pheno revenue
Disaggregation of Revenue [Line Items]
Net sales	2,304	1,705
Other revenue
Disaggregation of Revenue [Line Items]
Net sales	38	45
Products
Disaggregation of Revenue [Line Items]
Net sales	2,141	1,693
Services
Disaggregation of Revenue [Line Items]
Net sales	201	57
Domestic
Disaggregation of Revenue [Line Items]
Net sales	2,087	1,169
Foreign
Disaggregation of Revenue [Line Items]
Net sales	$ 255	$ 581