Note 18 - Deferred Income Taxes Reclassification (Details Textual) $ in Millions	12 Months Ended
Dec. 31, 2014 USD ($)
Reclassification of Deferred Income Tax Asset Current to Noncurrent [Member] \| Year Ended December 31 2014 [Member]
Prior Period Reclassification Adjustment	$ 3.2

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration