4. Investment Securities (Details 2) (USD $)	6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Less than 12 months
Fair Value	$ 16,248,745	$ 5,544,244	$ 9,768,131
Unrealized Loss	201,176	6,430	15,008
U.S. GSE debt securities
Less than 12 months
Fair Value	14,208,511	3,533,963	8,715,492
Unrealized Loss	194,686	4,979	13,936
U.S. Government securities
Less than 12 months
Fair Value	2,040,234	2,010,281	1,052,639
Unrealized Loss	$ 6,490	$ 1,451	$ 1,072