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Subordinated Convertible Debentures and Unused Available Lines of Credit | 12 Months Ended
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Dec. 31, 2011
Debt Disclosure [Abstract] |
Debt Disclosure [Text Block] | Note 8 Subordinated Convertible Debentures and Unused Available Lines of Credit On August 24, 2004, the Company issued $3,700,000 of 5.33% subordinated convertible debentures in partial consideration for the acquisition of the assets of PROFITLAB, Inc. Interest was payable annually on the anniversary date of the acquisition. Prior to 2010, all debt-holders converted the principal balance into shares of the Company’s common stock in accordance with the conversion provisions. As such, no convertible debentures are outstanding as of December 31, 2010 and 2011. As of December 31, 2011, the Bank had unsecured lines of credit at correspondent banks to purchase federal funds up to a maximum of $88,000,000 at the following banks: Bank of America, $20,000,000; US Bank, $20,000,000; Wells Fargo Bank, $15,000,000; PNC Bank, $12,000,000; Frost National Bank, $10,000,000; JPM Chase Bank, $6,000,000; and UMB Bank $5,000,000. The Company had secured lines of credit with the Federal Home Loan Bank of $132,578,000 collateralized by commercial mortgage loans. There were no amounts outstanding under any of the lines of credit discussed above at December 31, 2011 or 2010.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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