4. Investment Securities (Details 2) - USD ($)	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Available for sale Securities
Amortized Cost
Due in one year or less, Amortized Cost	$ 3,063,730	$ 3,077,544	$ 4,016,828
Due from one to five years, Amortized Cost	12,481,632	12,482,515	$ 18,881,768
Due from five to ten years	245,000	245,000
Agency MBS	13,515,656	10,734,121	$ 8,716,244
Amortization Cost of Debt	29,306,018	26,539,180	31,614,840
Fair Value
Due in one year or less, fair value	3,071,337	3,086,317	4,021,755
Due from one to five years, fair value	12,650,080	12,474,599	18,990,700
Due from five to ten years, fair value	245,000	245,000
Agency MBS*	$ 13,605,704	$ 10,664,484	$ 8,794,111
Due after ten years, fair value
Fair value of debt	$ 29,572,121	$ 26,470,400	$ 31,806,566
Held to maturity Securities
Amortized Cost
Due in one year or less, Amortized Cost	30,042,445	27,731,133	29,485,512
Due from one to five years, Amortized Cost	3,864,268	4,015,553	4,419,264
Due from five to ten years, Amortized Cost	3,235,317	3,149,531	2,246,370
Due after ten years, Amortized Cost	8,409,684	8,458,202	6,680,836
Amortization Cost of Debt	45,551,714	43,354,419	42,831,982
Fair Value
Due in one year or less, fair value	30,042,000	27,731,000	29,486,000
Due from one to five years, fair value	4,035,000	4,213,000	4,506,000
Due from five to ten years, fair value	$ 3,407,000	$ 3,347,000	$ 2,334,000
Agency MBS*
Due after ten years, fair value	$ 8,751,000	$ 8,852,000	$ 6,856,000
Fair value of debt	$ 46,235,000	$ 44,143,000	$ 43,182,000