Note 8 - Business Combinations (Details) - Acquisition Purchase Price Allocation (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Hego [Member]
Note 8 - Business Combinations (Details) - Acquisition Purchase Price Allocation [Line Items]
Net fair value of assets acquired			$ 107
Intangible assets, net of tax	8,968	559	9,930
Goodwill	18,948	2,066	16,321
			26,358
Deferred tax liability			(1,766)
			$ 24,592