The Company, Business Activities and Basis of Presentation - Composition of Net Revenues Recognized Disaggregated by Source (Detail) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue Recognition [Abstract]
Net revenues from contracted payers	[1]	$ 325,097	$ 422,136	$ 1,019,857	$ 1,655,287
Net revenues from non-contracted payers		373,018	621,881	1,211,309	2,206,414
Development services revenues		63,476	67,394	159,606	211,736
Total net revenues		$ 761,591	$ 1,111,411	$ 2,390,772	$ 4,073,437

[1] Includes Medicare and Medicare Advantage, as reimbursement amounts are fixed and miscellaneous income from CEE-Sure blood collection tubes.