Revenue from Contracts with Customers - Product and Product-Related Service Revenue from Sale of Instruments and Consumables (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	$ 1,491,582	$ 2,074,204	$ 2,676,036	$ 3,509,350
HTG EdgeSeq | Instrument
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	177,812	397,205	370,998	621,218
HTG EdgeSeq | Consumables
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	830,255	867,970	1,301,469	1,472,352
HTG EdgeSeq | Product revenue
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	1,008,067	1,265,175	1,672,467	2,093,570
HTG EdgeSeq | Custom RUO assay design
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	0	0	0	48,350
HTG EdgeSeq | RUO Sample processing
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	483,515	809,029	1,003,569	1,367,430
HTG EdgeSeq | Product-related services revenue
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	483,515	809,029	1,003,569	1,415,780
HTG EdgeSeq | Product and product-related services
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	$ 1,491,582	$ 2,074,204	$ 2,676,036	$ 3,509,350