Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2019

Revenue From Contract With Customer [Abstract]

Product and Product-Related Service Revenue from Sale of Instruments and Consumables

Product and Product-related Services Revenue

The Company had product and product-related services revenue consisting of revenue from the sale of RUO and MDx instruments and consumables and the use of the HTG EdgeSeq proprietary technology to process samples and design custom RUO assays for the three and six months ended June 30, 2019 and 2018 as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Product revenue:
RUO instruments	$	545,699	$	273,509	$	589,528	$	284,867
MDx instruments		—		—		96,587		—
RUO consumables		735,008		587,440		1,043,276		793,253
MDx consumables		24,462		5,660		117,012		51,859
Total product revenue		1,305,169		866,609		1,846,403		1,129,979
Product-related services revenue:
Custom RUO assay development		1,481,318		176,697		1,849,177		303,724
RUO sample processing		1,637,881		980,006		3,391,293		2,323,155
Total product-related services revenue		3,119,199		1,156,703		5,240,470		2,626,879
Total product and product-related services revenue	$	4,424,368	$	2,023,312	$	7,086,873	$	3,756,858

Schedule of Collaborative Development Services

Collaborative Development Services Revenue

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Collaborative development services	$	1,371,952	$	2,887,454	$	1,912,272	$	5,312,560

Schedule of Changes in Contract Liability

Changes in the Company’s contract liability were as follows as of the dates indicated:

	Product Revenue			Custom RUO Assay Design			Sample Processing			Total Contract Liability
Balance at January 1, 2019	$	116,547		$	50,000		$	244,400		$	410,947
Deferral of revenue		113,038			466,885			475,778			1,055,701
Recognition of deferred revenue		(101,419	)		(424,434	)		(185,352	)		(711,205	)
Balance at June 30, 2019	$	128,166		$	92,451		$	534,826		$	755,443

	Product Revenue			Custom RUO Assay Design			Sample Processing			Collaborative Development Services			Total Contract Liability
Balance at January 1, 2018	$	39,426		$	197,606		$	490,536		$	110,317		$	837,885
Deferral of revenue		90,352			169,000			135,041			70,918			465,311
Recognition of deferred revenue		(91,797	)		(238,724	)		(342,723	)		(181,235	)		(854,479	)
Balance at June 30, 2018	$	37,981		$	127,882		$	282,854		$	—		$	448,717