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Note 10 - Dividends (Detail) (USD $)
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3 Months Ended | 34 Months Ended | 24 Months Ended | ||||
|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
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Dec. 13, 2012
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May 09, 2012
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Dec. 31, 2012
Subsequent Event [Member]
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Feb. 09, 2012
Lower Dividend Rate [Member]
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| Number of Dividends Paid | 12 | 9 | |||||
| Dividends Payable, Amount Per Share | $ 0.06 | $ 0.06 | $ 0.05 | ||||
| Payments of Ordinary Dividends, Common Stock (in Dollars) | $ 1,735,185 | $ 1,409,605 | |||||
| Common Stock, Dividends, Per Share, Cash Paid | $ 0.06 | $ 0.05 | |||||
| Dividends Payable (in Dollars) | $ 1,700,000 | ||||||
| X | ||||||||||
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- Definition
Number of dividends paid during the period. No definition available.
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| X | ||||||||||
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- Definition
Aggregate dividends paid 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 per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Cash outflow in the form of ordinary dividends to common shareholders, generally out of earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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