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Note 17 - Restructuring Costs and Other (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring and Related Activities [Abstract]
Severance Costs	$ 1,315us-gaap_SeveranceCosts1	$ 693us-gaap_SeveranceCosts1	$ 1,568us-gaap_SeveranceCosts1	$ 1,494us-gaap_SeveranceCosts1	$ 1,660us-gaap_SeveranceCosts1
Restructuring Reserve, Current			$ 39us-gaap_RestructuringReserveCurrent

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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