Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Effective Federal Income Tax Rate Reconciliation [Abstract]
Federal statutory rate	34.00%	34.00%	34.00%
State taxes	1.16%	2.89%	0.81%
Permanent differences	(10.62%)	(5.84%)	(6.58%)
Research and development	15.99%	14.31%	3.81%
State taxes/ sale of NOL	4.54%	3.79%	6.25%
Valuation allowance	(40.53%)	(45.77%)	(32.04%)
Other	0.00%	0.41%	0.00%
Effective tax rate	4.54%	3.79%	6.25%
Deferred Tax Assets [Abstract]
Federal net operating losses	$ 23,644,647	$ 14,763,641
State net operating losses	1,554,730	1,144,762
Stock options	1,419,494	669,012
Amortization	69,529	76,222
Accrued expense	2,731	13,735
Other	18,042	15,431
Total gross deferred tax assets	39,772,295	21,674,207
Less valuation allowance	(39,772,295)	(21,674,207)
Net deferred tax assets	0	0
Income Tax Uncertainties [Abstract]
Uncertain tax positions	0
Federal [Member]
Tax Carryforwards [Abstract]
Net operating loss carryforwards	$ 69,500,000
Income Tax Uncertainties [Abstract]
Tax year under examination	2015
Unrecognized tax benefits	$ 0
Accrued interest and penalties	$ 0
Federal [Member] | Minimum [Member]
Tax Carryforwards [Abstract]
Expiration date of net operating loss carryforwards	Dec. 31, 2029
Federal [Member] | Maximum [Member]
Tax Carryforwards [Abstract]
Expiration date of net operating loss carryforwards	Dec. 31, 2036
New Jersey [Member]
Tax Carryforwards [Abstract]
Net operating loss carryforwards	$ 26,200,000
NOL's sold	19,196,765
Proceeds from sale of NOL's and R&D tax credits	$ 1,845,956
New Jersey [Member] | Minimum [Member]
Tax Carryforwards [Abstract]
Expiration date of net operating loss carryforwards	Dec. 31, 2030
New Jersey [Member] | Maximum [Member]
Tax Carryforwards [Abstract]
Expiration date of net operating loss carryforwards	Dec. 31, 2035
Research and Development Credit [Member] | Federal [Member]
Tax Carryforwards [Abstract]
Tax credit carryforwards	$ 1,300,000
Research and Development Credit [Member] | New Jersey [Member]
Tax Carryforwards [Abstract]
Tax credit carryforwards	600,000
Tax credit carryforwards sold	257,222
Orphan Drug Credit [Member] | Federal [Member]
Tax Carryforwards [Abstract]
Tax credit carryforwards	11,400,000
Federal [Member]
Deferred Tax Assets [Abstract]
Tax credits	12,709,438	4,832,146
State [Member]
Deferred Tax Assets [Abstract]
Tax credits	$ 353,684	$ 159,258