Note 1 - General and Summary of Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2014
Reclassified from Research and Development Expense to Cost of Products Sold [Member]
Prior Period Reclassification Adjustment	$ 2,059	$ 5,794

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