Note 1 - General and Summary of Accounting Policies (Details Textual) - Jun. 30, 2014 - USD ($) $ in Thousands	Total	Total
Reclassified from Research and Development Expense to Cost of Products Sold [Member]
Prior Period Reclassification Adjustment	$ 2,020	$ 3,735

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