Income Taxes - Schedule of Significant Components of Company's Deferred Taxes (Detail) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Accrued liabilities	$ 59,333	$ 48,982
Intangible assets	16,388,591	14,009,497
Net operating loss carryforwards	4,558,964	2,430,249
Share-based compensation	1,289,957	986,534
Share conversion feature		243,759
Other	3,017	3,510
Total deferred tax assets	22,299,862	17,722,531
Valuation Allowance	(22,115,992)	(17,722,531)
Total deferred tax assets, net of allowance	183,870
Deferred tax liabilities:
Debt conversion feature	(183,870)
Total deferred tax liabilities:	(183,870)
Net deferred tax assets (liabilities):	$ 0	$ 0