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Investments (Schedule Of Cost And Fair Value Of Available For Sale Investments) (Details) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Schedule of Available-for-sale Securities [Line Items]      
Cost $ 2,502,825 $ 1,775,038 $ 1,877,206
Unrealized Gains 118,983 107,087 170,355
Unrealized Losses (115,345) (12,237) (14,962)
Fair Value 2,506,463 1,869,888 2,032,599
Equity Securities [Member]
     
Schedule of Available-for-sale Securities [Line Items]      
Cost 887,418 639,974 698,444
Unrealized Gains 115,298 90,875 128,530
Unrealized Losses (29,256) (5,190) (11,971)
Fair Value 973,460 725,659 815,003
Mutual Funds [Member]
     
Schedule of Available-for-sale Securities [Line Items]      
Cost 69,849   0
Unrealized Gains 0   0
Unrealized Losses (1,965)   0
Fair Value 67,884   0
Preferred Securities [Member]
     
Schedule of Available-for-sale Securities [Line Items]      
Cost 528,306   0
Unrealized Gains 3,684   0
Unrealized Losses (26,363)   0
Fair Value 505,627   0
Corporate Bonds [Member]
     
Schedule of Available-for-sale Securities [Line Items]      
Cost 1,017,252 1,135,064 1,178,762
Unrealized Gains 1 16,212 41,825
Unrealized Losses (57,761) (7,047) (2,991)
Fair Value $ 959,492 $ 1,144,229 $ 1,217,596