3. Investments (Details 1) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Amortized Cost	$ 24,502,275	$ 24,847,097
Fair Value	25,842,570	26,181,938
Less Than One Year
Amortized Cost	551,998	546,952
Fair Value	558,103	560,162
One To Five Years
Amortized Cost	8,657,117	9,031,248
Fair Value	9,197,497	9,569,943
Five To Ten Years
Amortized Cost	11,751,646	12,605,798
Fair Value	12,480,298	13,306,033
More Than 10 Years
Amortized Cost	3,541,514	2,663,099
Fair Value	$ 3,606,672	$ 2,745,800