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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
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Summary of Deferred tax assets and liabilities |  |
Stock-based compensation | $ 4,450,129 | $ 6,077,629
Accrued incentive compensation | 7,355,744 | 4,724,670
Deferred Tax Liabilities, Unrealized Gains on Trading Securities | (1,802,708) | (722,466)
Deferred Tax Liabilities, Property and Equipment | (779,391) | (815,825)
Other assets and liabilities | (487,007) | (57,929)
Net deferred tax assets | $ 8,736,767 | $ 9,206,079

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