Investments In Securities (Schedule Of Gross Realized Gains And Losses On Securities) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of Available-for-sale Securities [Line Items]
Total, Gross realized gains			$ 891,955	$ 139,639
Total, Gross realized losses			(58,319)	(38,785)
Net realized gain from securities			833,636	100,854
Impairments of other investments			(10,062)	(34,070)
Gain on other investments			26,234	4,832
Loss On Other Investments			(265,589)	0
Total			(249,417)	(29,238)
Net realized gain on investments	92,082	55,272	584,219	71,616
Corporate Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Total, Gross realized gains			0	20,476
Common Stocks And Nonredeemable Preferred Stocks
Schedule of Available-for-sale Securities [Line Items]
Total, Gross realized gains			891,955	119,163
Common stocks and nonredeemable preferred stocks			$ (58,319)	$ (38,785)