Note 2 - Basis of Presentation (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2014
Increase to Cash Provided by Financing Activities [Member]
Note 2 - Basis of Presentation (Details) [Line Items]
Prior Period Reclassification Adjustment	$ 2.5
Decrease to Cash Provided by Operating Activities [Member]
Note 2 - Basis of Presentation (Details) [Line Items]
Prior Period Reclassification Adjustment	$ (2.5)

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