Revenue from Contracts with Customers - Schedule of Changes in Contract Liability (Details) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Disaggregation Of Revenue [Line Items]
Beginning Balance	$ 197,464	$ 599,454
Deferral of revenue	503,624	678,593
Recognition of deferred revenue	(482,385)	(731,875)
Ending Balance	218,703	546,172
Product Revenue
Disaggregation Of Revenue [Line Items]
Beginning Balance	103,580	95,148
Deferral of revenue	153,400	273,829
Recognition of deferred revenue	(130,759)	(272,653)
Ending Balance	126,221	96,324
Custom RUO Assay Design
Disaggregation Of Revenue [Line Items]
Beginning Balance		66,216
Deferral of revenue		337,035
Recognition of deferred revenue		(403,251)
Sample Processing
Disaggregation Of Revenue [Line Items]
Beginning Balance	93,884	438,090
Deferral of revenue	350,224	67,729
Recognition of deferred revenue	(351,626)	(55,971)
Ending Balance	$ 92,482	$ 449,848