Note 10 - Acquisition (Details) - Business Acquisitions (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Purchased Assets [Member]
Business Acquisition [Line Items]
Inventory and other current assets			$ 74
Fixed Assets			81
Other intangible assets			279
Net tangible and intangible assets			434
Purchase price			739
Goodwill (1)	$ 1,001,000	$ 974,000	$ 305	[1]

[1] The goodwill recognized is partly deductible for U.S. income tax purposes. The goodwill was allocated to the Life Sciences segment.