Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Intangible Assets Weighted-average Amortization Periods	12 Months Ended
	Dec. 31, 2014
Developed Technology Rights [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Intangible Assets Weighted-average Amortization Periods [Line Items]
Finite-Lived Intangible Assets	6 years 98 days
Customer Relationships [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Intangible Assets Weighted-average Amortization Periods [Line Items]
Finite-Lived Intangible Assets	9 years 9 months
Other Intangible Assets [Member]
Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Intangible Assets Weighted-average Amortization Periods [Line Items]
Finite-Lived Intangible Assets	10 years 259 days