Revenue from Contracts with Customers - Schedule of Changes in Contract Liability (Details) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Beginning Balance	$ 197,464	$ 599,454
Deferral of revenue	786,999	871,754
Recognition of deferred revenue	(733,939)	(946,452)
Ending Balance	250,524	524,756
Product Revenue
Disaggregation Of Revenue [Line Items]
Beginning Balance	103,580	95,148
Deferral of revenue	261,100	335,265
Recognition of deferred revenue	(198,438)	(325,181)
Ending Balance	166,242	105,232
Custom RUO Assay Design
Disaggregation Of Revenue [Line Items]
Beginning Balance		66,216
Deferral of revenue		459,385
Recognition of deferred revenue		(525,601)
Sample Processing
Disaggregation Of Revenue [Line Items]
Beginning Balance	93,884	438,090
Deferral of revenue	525,899	77,104
Recognition of deferred revenue	(535,501)	(95,670)
Ending Balance	$ 84,282	$ 419,524