Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 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 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 months ended March 31, 2019 and 2018 as follows:

	Three Months Ended March 31,
	2019		2018
Product revenue:
RUO instruments	$	47,866	$	11,358
MDx instruments		92,550		—
RUO consumables		304,231		205,813
MDx consumables		96,587		46,199
Total product revenue		541,234		263,370
Product-related services revenue:
Custom RUO assay development		367,859		127,027
RUO sample processing		1,753,412		1,343,149
Total product-related services revenue		2,121,271		1,470,176
Total product and product-related services revenue	$	2,662,505	$	1,733,546

Schedule of Collaborative Development Services

Collaborative Development Services Revenue

	Three Months Ended March 31,
	2019		2018
Collaborative development services	$	540,320	$	2,425,106

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		50,667			11,685			48,327			110,679
Recognition of deferred revenue		(36,544	)		(11,685	)		(117,695	)		(165,924	)
Balance at March 31, 2019	$	130,670		$	50,000		$	175,032		$	355,702

	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		55,476			135,250			53,770			—			244,496
Recognition of deferred revenue		(65,345	)		(127,027	)		(261,561	)		(23,639	)		(477,572	)
Balance at March 31, 2018	$	29,557		$	205,829		$	282,745		$	86,678		$	604,809