Income Taxes (Details 2) - USD ($)	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Net operating loss ("NOLs") carryforwards	$ 3,405,069	$ 65,635,003	$ 64,361,842
Fixed assets	149,099	139,883	166,205
Research and development credits/loss carryforwards	6,849	8,900	3,834
Share-based compensation	1,407,280	2,352,660	3,458,334
Intangible asset	1,139,746	218,300	251,524
Accrued expenses and other	817,080	253,655	434,294
Total deferred tax assets	6,925,123	68,608,401	68,676,033
Deferred tax liabilities:
Intangibles	(442,589)	(380,777)	(319,021)
Total deferred tax liabilities	(442,589)	(380,777)	(319,021)
Net deferred tax assets	6,482,534	68,227,624	68,357,012
Less: Valuation allowance	(6,925,123)	(68,608,401)	(68,676,033)
Net deferred tax liabilities	$ (442,589)	$ (380,777)	$ (319,021)