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Investments (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sale of investments	$ 2,281,792	$ 802,026
Gross realized gains	161,421	43,367
Gross realized losses	$ 39,980	$ 16,952
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Number Of Investment Securities	3

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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