Available for Sale Securities - Summary of Contractual Maturities of Debt Investment Securities (Details)	Dec. 31, 2015 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Under 1 Year	$ 28,201,507
1 to 2 Years	2,603,901
Fair Value (Net Carrying Amount)	30,805,408
US Treasury Securities and Obligations of US Government Agencies
Schedule Of Available For Sale Securities [Line Items]
Under 1 Year	16,592,324
1 to 2 Years	1,295,068
Fair Value (Net Carrying Amount)	17,887,392
Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Under 1 Year	11,609,183
1 to 2 Years	1,308,833
Fair Value (Net Carrying Amount)	$ 12,918,016