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Investments (Schedule Of Gross Unrealized Loss On Investments) (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Schedule of Available-for-sale Securities [Line Items]      
Less Than 12 Months, Fair Value $ 757,558 $ 364,849 $ 283,269
Less Than 12 Months, Unrealized Losses (15,396) (6,466) (12,112)
12 Months or Greater, Fair Value 106,086 215,840 65,557
12 Months or Greater, Unrealized Losses (2,729) (5,771) (7,241)
Total, Fair Value 863,644 580,689 348,826
Total, Unrealized Losses (18,125) (12,237) (19,353)
Equity Securities [Member]
      
Schedule of Available-for-sale Securities [Line Items]      
Less Than 12 Months, Fair Value 138,409 63,620 20,346
Less Than 12 Months, Unrealized Losses (6,916) (3,745) (1,535)
12 Months or Greater, Fair Value 33,371 21,910 3,184
12 Months or Greater, Unrealized Losses (1,945) (1,445) (1,984)
Total, Fair Value 171,780 85,530 23,530
Total, Unrealized Losses (8,861) (5,190) (3,519)
Mutual Funds [Member]
      
Schedule of Available-for-sale Securities [Line Items]      
Less Than 12 Months, Fair Value     0
Less Than 12 Months, Unrealized Losses     0
12 Months or Greater, Fair Value     3,073
12 Months or Greater, Unrealized Losses     (105)
Total, Fair Value     3,073
Total, Unrealized Losses     (105)
Preferred Securities [Member]
      
Schedule of Available-for-sale Securities [Line Items]      
Less Than 12 Months, Fair Value 99,600   0
Less Than 12 Months, Unrealized Losses (405)   0
12 Months or Greater, Fair Value 0   59,300
12 Months or Greater, Unrealized Losses 0   (5,152)
Total, Fair Value 99,600   59,300
Total, Unrealized Losses (405)   (5,152)
Corporate Bonds [Member]
      
Schedule of Available-for-sale Securities [Line Items]      
Less Than 12 Months, Fair Value 519,549 301,229 262,923
Less Than 12 Months, Unrealized Losses (8,075) (2,721) (10,577)
12 Months or Greater, Fair Value 72,715 193,930 0
12 Months or Greater, Unrealized Losses (784) (4,326) 0
Total, Fair Value 592,264 495,159 262,923
Total, Unrealized Losses $ (8,859) $ (7,047) $ (10,577)