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Note 7 - Subsequent Events (Details Textual) (USD $)
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1 Months Ended | 3 Months Ended | 0 Months Ended | 1 Months Ended | |
|---|---|---|---|---|---|
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Feb. 27, 2015
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Mar. 31, 2015
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Mar. 31, 2014
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May 04, 2015
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Apr. 30, 2015
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|
| Proceeds from Warrant Exercises | $ 598,000us-gaap_ProceedsFromWarrantExercises | ||||
| Common Stock, Dividends, Per Share, Declared | $ 0.02us-gaap_CommonStockDividendsPerShareDeclared | $ 0.02us-gaap_CommonStockDividendsPerShareDeclared | $ 0.005us-gaap_CommonStockDividendsPerShareDeclared | ||
| Subsequent Event [Member] | |||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights |
88,097us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights |
$ 3.5043us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
||||
| Proceeds from Warrant Exercises |
309,000us-gaap_ProceedsFromWarrantExercises / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
||||
| Common Stock, Dividends, Per Share, Declared |
$ 0.03us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
||||
| Stock Repurchase Program, Authorized Amount |
$ 5,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| X | ||||||||||
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- Definition
Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow associated with the amount received from holders exercising their stock warrants. No definition available.
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| X | ||||||||||
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- Definition
Amount of stock repurchase plan authorized. No definition available.
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| X | ||||||||||
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- Details
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