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Note 10 - Income Taxes (Details Textual)	3 Months Ended		6 Months Ended	9 Months Ended	21 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2015
Minimum [Member] | Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, Percent			35.00%
Maximum [Member] | Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, Percent			37.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%		35.00%
Effective Income Tax Rate Reconciliation, Percent	37.30%	35.50%		35.80%	35.30%

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 13



-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319



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-Section S99



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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



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