Investment and Mortgage-Backed Securities, Available for Sale (Schedule of Temporarily Impaired Securities, Fair Value and Unrealized losses) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available For Sale, Percent of Unrealized Losses for Securities in a Continuous Loss Position, 12 Months or Longer	13.90%	67.80%
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 79,181,546	$ 67,300,430
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	14,798,571	47,048,976
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	93,980,117	114,349,406
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	924,326	452,533
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	149,778	952,678
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	1,074,104	1,405,211
FHLB Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0	994,818
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,943,716	3,850,690
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,943,716	4,845,508
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	0	5,182
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	56,284	149,310
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	56,284	154,492
Federal Farm Credit Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	1,989,862	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	5,667,994
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,989,862	5,667,994
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	10,138	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0	82,006
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	10,138	82,006
SBA Bonds
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	18,263,615	27,859,461
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	10,312,370	4,920,631
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	28,575,985	32,780,092
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	53,112	223,070
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	81,917	84,579
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	135,029	307,649
Tax Exempt Municipal Bonds
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	37,133,463	3,605,319
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	800,502	1,710,586
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	37,933,965	5,315,905
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	734,874	16,039
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	2,330	29,041
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	737,204	45,080
Mortgage-Backed Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	21,794,606	34,840,832
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,741,983	30,899,075
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	23,536,589	65,739,907
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	126,202	208,242
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	9,247	607,742
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	$ 135,449	$ 815,984