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Loans Receivable and Allowance for Loan Losses - Delinquency Status, of Non-Accrual Loans and Past Due Loans (Detail) (USD $) | Sep. 30, 2013 | Dec. 31, 2012
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Financing Receivable, Recorded Investment [Line Items] |  |
Greater than 90 Days Past Due and Accruing | $ 1,811,566 | $ 2,234,297
Total Non-Accrual and Past Due Loans | 22,552,423 | 26,044,432
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 6,859,492 | 1,019,509
Commercial, Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 8,456,879 | 11,164,774
Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 335,000 | 1,862,038
Construction to Permanent [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 1,212,951 | 1,258,710
Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 5,594,706 | 10,737,033
Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 93,395 | 2,368
Pass [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  | 300,000
Pass [Member] | Commercial, Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 214,005 | 566,936
Pass [Member] | Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Pass [Member] | Construction to Permanent [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Pass [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Pass [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Substandard [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 6,859,492 | 719,509
Substandard [Member] | Commercial, Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 8,242,874 | 10,597,838
Substandard [Member] | Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 335,000 | 1,862,038
Substandard [Member] | Construction to Permanent [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 1,212,951 | 1,258,710
Substandard [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 5,594,706 | 10,737,033
Substandard [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans | 93,395 | 2,368
Special Mention [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Special Mention [Member] | Commercial, Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Special Mention [Member] | Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Special Mention [Member] | Construction to Permanent [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Special Mention [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Special Mention [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Non-Accrual and Past Due Loans |  |
Non-Accrual Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due | 33,534 | 358,123
Greater Than 90 Days | 19,109,595 | 19,905,657
Total Past Due | 19,143,129 | 20,263,780
Current | 1,597,728 | 3,546,355
Greater than 90 Days Past Due and Accruing | 1,811,566 | 2,234,297
Total Non-Accrual and Past Due Loans | 22,552,423 | 26,044,432
Non-Accrual Loans [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days | 6,109,493 | 182,258
Total Past Due | 6,109,493 | 182,258
Current |  | 37,251
Greater than 90 Days Past Due and Accruing | 749,999 | 800,000
Total Non-Accrual and Past Due Loans | 6,859,492 | 1,019,509
Non-Accrual Loans [Member] | Commercial, Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days | 7,395,312 | 7,629,819
Total Past Due | 7,395,312 | 7,629,819
Current |  | 2,100,658
Greater than 90 Days Past Due and Accruing | 1,061,567 | 1,434,297
Total Non-Accrual and Past Due Loans | 8,456,879 | 11,164,774
Non-Accrual Loans [Member] | Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days | 335,000 | 1,862,038
Total Past Due | 335,000 | 1,862,038
Current |  |
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 335,000 | 1,862,038
Non-Accrual Loans [Member] | Construction to Permanent [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days |  |
Total Past Due |  |
Current | 1,212,951 | 1,258,710
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 1,212,951 | 1,258,710
Non-Accrual Loans [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  | 358,123
Greater Than 90 Days | 5,209,929 | 10,231,542
Total Past Due | 5,209,929 | 10,589,665
Current | 384,777 | 147,368
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 5,594,706 | 10,737,033
Non-Accrual Loans [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due | 33,534 |
Greater Than 90 Days | 59,861 |
Total Past Due | 93,395 |
Current |  | 2,368
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 93,395 | 2,368
Non-Accrual Loans [Member] | Pass [Member] | Commercial, Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days |  |
Total Past Due |  |
Current |  |
Greater than 90 Days Past Due and Accruing | 214,005 | 566,936
Total Non-Accrual and Past Due Loans | 214,005 | 566,936
Non-Accrual Loans [Member] | Substandard [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days | 6,109,493 | 182,258
Total Past Due | 6,109,493 | 182,258
Current |  | 37,251
Greater than 90 Days Past Due and Accruing | 749,999 | 500,000
Total Non-Accrual and Past Due Loans | 6,859,492 | 719,509
Non-Accrual Loans [Member] | Substandard [Member] | Commercial, Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days | 7,395,312 | 7,629,819
Total Past Due | 7,395,312 | 7,629,819
Current |  | 2,100,658
Greater than 90 Days Past Due and Accruing | 847,562 | 867,361
Total Non-Accrual and Past Due Loans | 8,242,874 | 10,597,838
Non-Accrual Loans [Member] | Substandard [Member] | Construction [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days | 335,000 | 1,862,038
Total Past Due | 335,000 | 1,862,038
Current |  |
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 335,000 | 1,862,038
Non-Accrual Loans [Member] | Substandard [Member] | Construction to Permanent [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days |  |
Total Past Due |  |
Current | 1,212,951 | 1,258,710
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 1,212,951 | 1,258,710
Non-Accrual Loans [Member] | Substandard [Member] | Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  | 358,123
Greater Than 90 Days | 5,209,929 | 10,231,542
Total Past Due | 5,209,929 | 10,589,665
Current | 384,777 | 147,368
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 5,594,706 | 10,737,033
Non-Accrual Loans [Member] | Substandard [Member] | Consumer [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due | 33,534 |
Greater Than 90 Days | 59,861 |
Total Past Due | 93,395 |
Current |  | 2,368
Greater than 90 Days Past Due and Accruing |  |
Total Non-Accrual and Past Due Loans | 93,395 | 2,368
Non-Accrual Loans [Member] | Special Mention [Member] | Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
31-60 Days Past Due |  |
61-90 Days Past Due |  |
Greater Than 90 Days |  |
Total Past Due |  |
Current |  |
Greater than 90 Days Past Due and Accruing |  | 300,000
Total Non-Accrual and Past Due Loans |  | $ 300,000

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- Definition Financing receivables that are less than 60 days past due but more than 29 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953401-111524 + Details
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