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10. Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Income Taxes Details        
Computed expected tax expense $ 294,863 $ 393,527 $ 689,289 $ 450,772
State taxes, net of Federal benefit Permanent differences 17,301 (13,713) 45,798 (14,751)
Dividends received deduction (16,126) 0 (36,577) (7,129)
Non-taxable investment income (16,772) (24,399) (33,810) (46,544)
Stock-based compensation expense 3,607 8,042 10,237 21,810
Other permanent differences 5,831 4,531 12,281 14,545
Other 18,224 15,513 14,367 6,541
Total tax $ 306,928 $ 383,501 $ 701,585 $ 425,244