Note 3 - Summary of Significant Accounting Policies (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)		7,000	3,000	30,000
Administrative Expenses [Member]
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ (1.7)	$ 1.1	$ (0.9)	$ (0.4)
Cost of Products [Member]
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ 0.9	$ (1.1)	$ 0.5	$ (0.3)
Restricted Stock Units (RSUs) [Member]
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)			12,000	30,000