Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 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 nine months ended September 30, 2019 and 2018 as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Product revenue:
RUO instruments	$	324,023	$	24,844	$	913,551	$	309,711
MDx instruments		90,468		—		187,055		—
RUO consumables		1,026,221		283,635		2,069,497		1,076,888
MDx consumables		32,165		144,264		149,177		196,123
Total product revenue		1,472,877		452,743		3,319,280		1,582,722
Product-related services revenue:
Custom RUO assay development		2,129,251		262,044		3,978,428		565,768
RUO sample processing		708,915		600,057		4,100,208		2,923,212
Total product-related services revenue		2,838,166		862,101		8,078,636		3,488,980
Total product and product-related services revenue	$	4,311,043	$	1,314,844	$	11,397,916	$	5,071,702

Schedule of Collaborative Development Services

Collaborative Development Services Revenue

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Collaborative development services	$	1,093,750	$	3,391,534	$	3,006,022	$	8,704,094

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		126,425			671,885			463,814			1,262,124
Recognition of deferred revenue		(172,610	)		(707,641	)		(229,192	)		(1,109,443	)
Balance at September 30, 2019	$	70,362		$	14,244		$	479,022		$	563,628

	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		151,461			336,080			166,291			70,918			724,750
Recognition of deferred revenue		(135,980	)		(453,768	)		(403,677	)		(181,235	)		(1,174,660	)
Balance at September 30, 2018	$	54,907		$	79,918		$	253,150		$	—		$	387,975