Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 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 instruments and consumables and the use of the HTG EdgeSeq proprietary technology to process samples and design custom RUO assays for the years ended December 31, 2019 and 2018 as follows:

	Years Ended December 31,
	2019		2018
Product revenue:
Instruments	$	1,436,730	$	351,885
Consumables		3,010,094		1,964,499
Total product revenue	$	4,446,824	$	2,316,384
Product-related services revenue:
Custom RUO assay design		4,498,088		964,241
RUO sample processing		5,687,292		5,840,765
Total product-related services revenue		10,185,380		6,805,006
Total product and product-related services revenue	$	14,632,204	$	9,121,390

Schedule of Collaborative Development Services

Collaborative Development Services Revenue

The Company enters into collaborative development services agreements with biopharmaceutical companies for the development of NGS-based companion diagnostic assays in support of and in conjunction with, biopharmaceutical companies’ drug development programs. These collaborative development services agreements may generate upfront fees, and in some cases subsequent milestone payments that may be earned upon completion of certain product development milestones or activities. Collaborative development services revenue for the years ended December 31, 2019 and 2018 was generated through statements of work entered into under the Governing Agreement with QML as discussed below.

	Years Ended December 31,
	2019		2018
Collaborative development services	$	4,571,684	$	12,382,504

Schedule of Changes in Contract Liability

Changes in the Company’s contract liabilities 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		218,802			972,267			529,913			1,720,982
Recognition of deferred revenue		(240,201	)		(956,051	)		(336,223	)		(1,532,475	)
Balance at December 31, 2019	$	95,148		$	66,216		$	438,090		$	599,454

	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		190,703			448,580			197,541			70,918			907,742
Customer deposits		131,864			-			-			—			131,864
Recognition of deferred revenue		(245,446	)		(596,186	)		(443,677	)		(181,235	)		(1,466,544	)
Balance at December 31, 2018	$	116,547		$	50,000		$	244,400		$	—		$	410,947