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Note 3 - Stock-based Compensation (Details Textual) (USD $)
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3 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | ||
|---|---|---|---|---|---|---|
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2013
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Feb. 11, 2015
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Jan. 20, 2015
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Aug. 13, 2012
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| Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | $ 0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | $ 0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense | ||||
| Allocated Share-based Compensation Expense | 25,000us-gaap_AllocatedShareBasedCompensationExpense | 15,000us-gaap_AllocatedShareBasedCompensationExpense | ||||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | 21,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized | |||||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 255 days | |||||
| Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 100,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased | |||||
| Share-Based Compensation Incentive Compensation Period | 3 years | |||||
| Restricted Stock [Member] | ||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |
67,076us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
6,116us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
60,960us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
|||
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years | |||||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized |
$ 141,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
|||||
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition | 2 years 255 days | |||||
| X | ||||||||||
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- Definition
The period to which employees receive stock as incentive compensation. No definition available.
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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| X | ||||||||||
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- Details
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