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Note 2 - Basis of Presentation (Details) - General and Administrative Expense [Member] $ in Millions	3 Months Ended
	Sep. 30, 2015 USD ($)
Three Months Ended September 30, 2014 [Member]
Note 2 - Basis of Presentation (Details) [Line Items]
Prior Period Reclassification Adjustment	$ 0.1
Nine Months Ended September 30, 2014 [Member]
Note 2 - Basis of Presentation (Details) [Line Items]
Prior Period Reclassification Adjustment	$ 0.7

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