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Loan Receivables and Allowance for Loan Losses - Allowance for Loan Losses to Loan Portfolio Segment (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | $ 6,015,636 | $ 9,384,672 | $ 15,374,101
Charge-offs | (1,668,386) | (1,070,356) | (8,252,774)
Transferred to loans held-for-sale |  |  | (6,054,660)
Recoveries | 363,225 | 80,543 | 853,578
Provision | 970,214 | (2,379,223) | 7,464,427
Balance, end of year | 5,680,689 | 6,015,636 | 9,384,672
Ending balance: individually evaluated for impairment | 1,890,737 | 968,414 |
Ending balance: collectively evaluated for impairment | 3,789,952 | 5,047,222 |
Total Allowance for Loan Losses | 5,680,689 | 6,015,636 | 9,384,672
Total Loans ending balance | 423,058,175 | 464,150,482 |
Ending balance: individually evaluated for impairment | 21,993,399 | 33,383,078 |
Ending balance: collectively evaluated for impairment | 401,064,776 | 430,767,404 |
Commercial [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | 941,456 | 882,062 |
Charge-offs | (62,779) | (48,414) |
Transferred to loans held-for-sale |  |  |
Recoveries | 3,920 | 10,861 |
Provision | 1,402,088 | 96,947 |
Balance, end of year | 2,284,685 | 941,456 |
Ending balance: individually evaluated for impairment | 1,500,000 | 33,280 |
Ending balance: collectively evaluated for impairment | 784,685 | 908,176 |
Total Allowance for Loan Losses | 2,284,685 | 941,456 |
Total Loans ending balance | 35,061,249 | 36,428,751 |
Ending balance: individually evaluated for impairment | 6,151,799 | 219,509 |
Ending balance: collectively evaluated for impairment | 28,909,450 | 36,209,242 |
Commercial Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | 3,509,395 | 4,018,746 |
Charge-offs | (403,124) | (49,922) |
Transferred to loans held-for-sale |  |  |
Recoveries | 334,951 | 66,951 |
Provision | (1,855,894) | (526,380) |
Balance, end of year | 1,585,328 | 3,509,395 |
Ending balance: individually evaluated for impairment | 31,097 | 728,607 |
Ending balance: collectively evaluated for impairment | 1,554,231 | 2,780,788 |
Total Allowance for Loan Losses | 1,585,328 | 3,509,395 |
Total Loans ending balance | 223,165,092 | 247,495,321 |
Ending balance: individually evaluated for impairment | 7,767,224 | 15,909,103 |
Ending balance: collectively evaluated for impairment | 215,397,868 | 231,586,218 |
Construction [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | 311,297 | 867,159 |
Charge-offs | (204,868) | (101,391) |
Transferred to loans held-for-sale |  |  |
Recoveries | 20,000 |  |
Provision | 133,571 | (454,471) |
Balance, end of year | 260,000 | 311,297 |
Ending balance: individually evaluated for impairment | 260,000 | 120,616 |
Ending balance: collectively evaluated for impairment |  | 190,681 |
Total Allowance for Loan Losses | 260,000 | 311,297 |
Total Loans ending balance | 260,000 | 4,997,991 |
Ending balance: individually evaluated for impairment | 260,000 | 1,862,038 |
Ending balance: collectively evaluated for impairment |  | 3,135,953 |
Construction to Permanent [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | 18,720 | 547,333 |
Charge-offs |  |  |
Transferred to loans held-for-sale |  |  |
Recoveries |  |  |
Provision | 6,659 | (528,613) |
Balance, end of year | 25,379 | 18,720 |
Ending balance: individually evaluated for impairment |  |  |
Ending balance: collectively evaluated for impairment | 25,379 | 18,720 |
Total Allowance for Loan Losses | 25,379 | 18,720 |
Total Loans ending balance | 11,303,002 | 4,851,768 |
Ending balance: individually evaluated for impairment | 1,197,474 | 1,258,710 |
Ending balance: collectively evaluated for impairment | 10,105,528 | 3,593,058 |
Residential Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | 897,368 | 2,550,588 |
Charge-offs | (918,853) | (84,711) |
Transferred to loans held-for-sale |  |  |
Recoveries | 612 |  |
Provision | 815,829 | (1,568,509) |
Balance, end of year | 794,956 | 897,368 |
Ending balance: individually evaluated for impairment | 97,829 | 83,543 |
Ending balance: collectively evaluated for impairment | 697,127 | 813,825 |
Total Allowance for Loan Losses | 794,956 | 897,368 |
Total Loans ending balance | 106,198,275 | 119,033,025 |
Ending balance: individually evaluated for impairment | 6,024,266 | 13,567,175 |
Ending balance: collectively evaluated for impairment | 100,174,009 | 105,465,850 |
Consumer [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | 216,698 | 458,762 |
Charge-offs | (78,762) | (785,918) |
Transferred to loans held-for-sale |  |  |
Recoveries | 3,742 | 2,731 |
Provision | 392,117 | 541,123 |
Balance, end of year | 533,795 | 216,698 |
Ending balance: individually evaluated for impairment | 1,811 | 2,368 |
Ending balance: collectively evaluated for impairment | 531,984 | 214,330 |
Total Allowance for Loan Losses | 533,795 | 216,698 |
Total Loans ending balance | 47,070,557 | 51,343,626 |
Ending balance: individually evaluated for impairment | 592,636 | 566,543 |
Ending balance: collectively evaluated for impairment | 46,477,921 | 50,777,083 |
Unallocated [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Balance, beginning of year | 120,702 | 60,022 |
Charge-offs |  |  |
Transferred to loans held-for-sale |  |  |
Recoveries |  |  |
Provision | 75,844 | 60,680 |
Balance, end of year | 196,546 | 120,702 |
Ending balance: individually evaluated for impairment |  |  |
Ending balance: collectively evaluated for impairment | 196,546 | 120,702 |
Total Allowance for Loan Losses | 196,546 | 120,702 |
Total Loans ending balance |  |  |
Ending balance: individually evaluated for impairment |  |  |
Ending balance: collectively evaluated for impairment |  |  |

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- Definition Allowance for loan and lease losses transferred to loan held for sale. + References No definition available. + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 + Details
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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References No definition available. + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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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 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 2: 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 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
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