Adoption of New Accounting Standards (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015	[1]
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred income taxes, non-current liabilities	$ 44,283,828	$ 69,524,621
Adjustments for New Accounting Principle, Early Adoption [Member] | Accounting Standards Update 2015-17 [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred income taxes, current assets	26,000,000
Deferred income taxes, non-current liabilities	$ 26,000,000

[1] Note: The condensed consolidated balance sheet at December 31, 2015 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.