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Note D - Stock Based Compensation (Details) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) | 750,000 |  | 750,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares) |  |  | 35,000 |
Share Price (in Dollars per share) | $ 17.49 |  | $ 17.49 |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | 366,000 |  | 366,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value |  |  | $ 180,000 | $ 204,000
Allocated Share-based Compensation Expense | 39,000 | 49,000 | 315,000 | 303,000
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost |  |  | 180,000 | 199,000
Allocated Share-based Compensation Expense, Impact on Earnings Per Share |  |  |  | (0.02)
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | 419,000 | 798,000 | 419,000 | 798,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) |  |  | $ 5.13 | $ 5.96
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options |  |  | 19,000 | 55,000
Diluted [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Allocated Share-based Compensation Expense, Impact on Earnings Per Share |  |  | (0.02) |
Basic [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Allocated Share-based Compensation Expense, Impact on Earnings Per Share |  |  | (0.03) |
Employee Stock Option [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Share Price (in Dollars per share) | $ 10.44 |  | $ 10.44 |
Increase in Annual Grant of Options, Number of Shares [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Grants in Period (in Shares) |  |  | 5,000 | 5,000
Amortization, Current Year [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | 33,000 |  | 33,000 |
Amortization, Next Year [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | 134,000 |  | 134,000 |
Amortization, Year 3 [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | 131,000 |  | 131,000 |
Amortization Year 4 [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | 91,000 |  | 91,000 |
Amortization, Year 5 [Member] |  |  |  |
Note D - Stock Based Compensation (Details) [Line Items] |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ 30,000 |  | $ 30,000 |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of share instruments newly issued under a share-based compensation plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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