3. Investments (Details 1) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Amortized Cost	$ 21,974,185	$ 24,847,097
Fair Value	22,395,861	26,181,938
Less Than One Year
Amortized Cost	522,532	546,952
Fair Value	515,556	560,162
One To Five Years
Amortized Cost	8,029,987	9,031,248
Fair Value	8,396,602	9,569,943
Five To Ten Years
Amortized Cost	10,436,021	12,605,798
Fair Value	10,612,222	13,306,033
More Than 10 Years
Amortized Cost	2,985,645	2,663,099
Fair Value	$ 2,871,481	$ 2,745,800