Discontinued Operations - Summary of Assets and Liabilities of Discontinued Operations (Detail) - USD ($)	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Cash and cash equivalents	$ (10,959,546)	$ 10,959,546	$ 160,905
Prepaid expenses and other		1,644,674
Prepaid research and development - related party		121,983
Current assets of discontinued operations		12,726,203
Fixed assets, net		143,826
In-process research and development		7,500,000
Developed technology, customer contracts and trade names, net		2,909,583
Goodwill		221,000
Patents, net		593,382
Long-term portion of prepaid research and development - related party		274,463
Deposits		2,888
Other assets of discontinued operations		11,645,142
Assets of discontinued operations		24,371,345
Accounts payable		1,076,293
Primsol payable		1,111,057
Accrued compensation		492,584
Deferred revenue		85,714
Current liabilities of discontinued operations		2,765,648
Convertible promissory notes, net of unamortized discount of $253,448		4,921,552
Interest payable		161,988
Contingent consideration		687,685
Long-term deferred rent		11,694
Long-term deferred revenue		383,036
Warrant derivative liability		180,969
Liabilities of discontinued operations		6,346,924
Liabilities of discontinued operations		$ 9,112,572