Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax [Line Items]
Net deferred tax asset carryforward	$ 58,386,785	$ 59,942,144
Uncertain tax positions	0
Income tax interest and penalties expense	0	$ 0	$ 0
New Jersey
Income Tax [Line Items]
Net deferred tax asset carryforward	$ 128,565,558
New Jersey | Minimum
Income Tax [Line Items]
Net operating loss carryforwards, expiration year	2016
New Jersey | Maximum
Income Tax [Line Items]
Net operating loss carryforwards, expiration year	2035
Federal
Income Tax [Line Items]
Net deferred tax asset carryforward	$ 158,018,900
Federal | Minimum
Income Tax [Line Items]
Net operating loss carryforwards, expiration year	2025
Federal | Maximum
Income Tax [Line Items]
Net operating loss carryforwards, expiration year	2035