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Investment Securities (Details 1) (USD $) | Mar. 31, 2013 | Dec. 31, 2012
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Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time |  |
Less Than 12 Months, Fair Value | $ 30,286,080 | $ 28,513,200
Less Than 12 Months, Unrealized Loss | (373,327) | (287,841)
12 Months or More, Fair Value | 5,793,228 | 5,643,891
12 Months or More, Unrealized Loss | (206,772) | (356,109)
Total, Fair Value | 36,079,308 | 34,157,091
Total, Unrealized Loss | (580,099) | (643,950)
U. S. Government agency bonds [Member] |  |
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time |  |
Less Than 12 Months, Fair Value | 2,498,488 |
Less Than 12 Months, Unrealized Loss | (1,512) |
Total, Fair Value | 2,498,488 |
Total, Unrealized Loss | (1,512) |
U. S. Government agency mortgage-backed securities [Member] |  |
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time |  |
Less Than 12 Months, Fair Value | 24,984,401 | 25,670,832
Less Than 12 Months, Unrealized Loss | (175,006) | (130,209)
Total, Fair Value | 24,984,401 | 25,670,832
Total, Unrealized Loss | (175,006) | (130,209)
Corporate bonds [Member] |  |
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time |  |
Less Than 12 Months, Fair Value | 2,803,191 | 2,842,368
Less Than 12 Months, Unrealized Loss | (196,809) | (157,632)
12 Months or More, Fair Value | 5,793,228 | 5,643,891
12 Months or More, Unrealized Loss | (206,772) | (356,109)
Total, Fair Value | 8,596,419 | 8,486,259
Total, Unrealized Loss | $ (403,581) | $ (513,741)

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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a(2) -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. + Details
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