Schedule II - Valuation and Qualifying Accounts (Details) - Valuation Allowance of Deferred Tax Assets - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 44,038,784	$ 67,727,285	$ 63,324,806
Additions	1,947,067	0	4,402,479
Deductions	0	23,688,501	0
Balance at End of Year	$ 45,985,851	$ 44,038,784	$ 67,727,285