Income Taxes (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
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	$ 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			$ 1,845,986
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