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, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	$ 1,963,294	$ 5,796,320	$ 4,188,768	$ 8,999,145
Product and Product-related Services
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	1,728,526	4,424,368	3,716,663	7,086,873
HTG EdgeSeq | Instruments
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	257,029	545,699	491,654	686,115
HTG EdgeSeq | Consumables
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	781,304	759,470	1,327,243	1,160,288
HTG EdgeSeq | Product revenue
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	1,038,333	1,305,169	1,818,897	1,846,403
HTG EdgeSeq | Custom RUO assay design
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	343,284	1,481,318	972,466	1,849,177
HTG EdgeSeq | RUO Sample processing
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	346,909	1,637,881	925,300	3,391,293
HTG EdgeSeq | Product-related services revenue
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	690,193	3,119,199	1,897,766	5,240,470
HTG EdgeSeq | Product and Product-related Services
Disaggregation Of Revenue [Line Items]
Product and product-related services revenue	$ 1,728,526	$ 4,424,368	$ 3,716,663	$ 7,086,873