Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Deferred Tax Liabilities, Net	$ 11,119,651	$ 11,600,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	174,000,000
Deferred Tax Assets, Tax Credit Carryforwards, Research	4,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Federal	146,500,000
Operating Loss Carryforwards	39,100,000
Deferred Income Tax Expense (Benefit)	$ (617,672)	$ 0	$ 0
Maximum [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards Expiration Period	2036
Minimum [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards Expiration Period	2027