Loans and Allowances for Loan Losses (Details 3) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2013	Dec. 31, 2012
Changes in the allowance for loan losses
Beginning balance	$ 4,475,302	$ 4,166,468
Provision for loan losses	135,449	1,080,277
Loans charged-off	(226,611)	(908,963)
Recoveries	165,896	137,520
Ending balance	4,550,036	4,475,302
Commercial
Changes in the allowance for loan losses
Beginning balance	686,065	564,853
Provision for loan losses	(4,394)	127,298
Loans charged-off		(16,034)
Recoveries	146,326	9,948
Ending balance	827,997	686,065
Residential 1-4 Family
Changes in the allowance for loan losses
Beginning balance	1,348,922	1,344,604
Provision for loan losses	138,491	656,567
Loans charged-off	(70,962)	(663,729)
Recoveries	1,345	11,480
Ending balance	1,417,796	1,348,922
Commercial Real Estate and Multi-Family
Changes in the allowance for loan losses
Beginning balance	1,074,995	1,006,036
Provision for loan losses	(16,457)	68,959
Ending balance	1,058,538	1,074,995
Construction and Land
Changes in the allowance for loan losses
Beginning balance	818,984	681,871
Provision for loan losses	(5,181)	64,938
Loans charged-off	(97,500)
Recoveries		72,175
Ending balance	716,303	818,984
Consumer and Other
Changes in the allowance for loan losses
Beginning balance	545,476	541,458
Provision for loan losses	18,345	189,301
Loans charged-off	(58,149)	(229,200)
Recoveries	18,225	43,917
Ending balance	523,897	545,476
Unallocated
Changes in the allowance for loan losses
Beginning balance	860	27,646
Provision for loan losses	4,645	(26,786)
Ending balance	$ 5,505	$ 860

Reflects the gross amount charged against earnings during the period as credit losses (bad debt expense) based on review of the loan and lease portfolio and application of the methodology for estimating credit losses.

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Reflects a reduction in bad debt expense attributable to collections of loans and lease receivables which had previously been fully or partially charged off as bad debts.

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- Definition

Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 8, 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher OTS

-Name Federal Regulation (FR)

-Number Title 12

-Section 563c.102

-Paragraph 8

-Subparagraph a(ii)

-Chapter V

-Subsection I

-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 114

-Paragraph 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

+ Details