Schedule II - Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Balance at Beginning Of Period	$ 19,123,959	$ 28,331,759	$ 27,131,034
Additions Charged to Costs and Expenses	755,995	(9,207,800)	1,200,725
Additions Charged to Other Accounts	0	0	0
Deductions	0	0	0
Balance at End Of Period	$ 19,879,954	$ 19,123,959	$ 28,331,759