Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Abstract]
U.S. Federal statutory income tax rate	35.00%	34.60%	34.40%
U.S. Federal statutory income tax rate after the Tax Cuts And Jobs Act Of 2017 becomes effective	21.00%
Income tax benefit from Tax Cuts And Jobs Act of 2017	$ 5,341,521	$ 0	$ 0
Diluter per share impact of income tax benefit from Tax Cuts And Jobs Act of 2017	$ 2.82