Note 2 - Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Accounting Policies [Abstract]
Prior Period Reclassification Adjustment (in Dollars)	$ 150,000	$ 140,000	$ 135,000

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