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Federal Home Loan Bank Advances and Other Borrowings (Details Textual) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Aug. 28, 2015 USD ($)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Long-term debt, description | Pursuant to the Loan Agreement, the Bank may not permit non-performing assets to be greater than 3.25% of total assets. The Bank must not permit its Texas ratio (nonperforming assets divided by the sum of tangible equity plus the allowance for loan and lease losses) to be greater than 35.00%, and must not permit its liquidity ratio to be less than 9.00% (or less than 10.00% for two consecutive quarters). |  |
Long-term line of credit | $ 0 | $ 2,000,000 |
Interest rate at period end (as a percent) |  | 3.50% |
Carrying value of securities pledged to Federal Home Loan Bank | 14,844,441 | $ 23,853,366 |
Federal Home Loan Bank borrowings, fair value | 5,765 | $ 187,462 |
Federal funds purchased | 13,499,625 |  |
Fiscal quarter 2017 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Amortization | 125,000 |  |
Fiscal quarter 2018 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Amortization | 190,000 |  |
Fiscal quarter 2019 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Amortization | 210,000 |  |
Fiscal quarter 2020 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Amortization | $ 210,000 |  |
Long Term Advance Dated January 20, 2006 Fixed Interest at 4.18 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, advances, interest rate (as a percent) |  | 4.18% |
Long-term advance Dated January 10, 2007,Fixed Interest at 4.25, [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, advances, interest rate (as a percent) | 4.25% |  |
Short Term Advance Dated January 28 2015 Fixed Interest At 0.63 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, advances, interest rate (as a percent) |  | 0.63% |
Short Term Advance Dated January 28 2015 Fixed Interest At 0.43 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, advances, interest rate (as a percent) |  | 0.43% |
Short-term advance Dated August 31, 2015,fixed Interest At 0.41 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, advances, interest rate (as a percent) |  | 0.41% |
Federal Home Loan Bank Advances [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity | $ 52,550,939 |  |
Prime Rate [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Interest rate description | During the first 90 days of the revolving line of credit or at any time during which the Bank maintains daily settlement accounts at the Lender, borrowings accrue interest at the Lender’s prime rate, subject to a 3.00% floor. |  |
Revolving Credit Facility [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 8,000,000
Covenant compliance, ratio of non-performing assets as a percentage total assets, not to be greater than | 3.25% |  |
Covenant compliance, Texas ratio, not to be greater than (as a percent) | 35.00% |  |
Covenant compliance, liquidity ratio, not to be less than (as a percent) | 9.00% |  |
Covenant compliance, liquidity ratio in consecutive quarters, not to be less than (as a percent) | 10.00% |  |
Covenant compliance, debt service coverage ratio, not to be less than | 1.25 |  |
Covenant compliance, interest coverage ratio, not to be less than | 2.50 |  |
Revolving Credit Facility [Member] | Prime Rate [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Initial line of credit period | 90 days |  |
Variable rate, floor (as a percent) | 3.00% |  |

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- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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