Note 14 - Stock Comp Plan (Details) (USD $)	12 Months Ended
	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Exercise Price Range 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit	$ 6.80
Exercise price range, upper range limit	$ 59.37
Exercise Price Range 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit	$ 59.38
Exercise price range, upper range limit	$ 67.60
Exercise Price Range 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit	$ 67.61
Exercise price range, upper range limit	$ 75.63
Exercise Price Range 4 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit	$ 75.64
Exercise price range, upper range limit	$ 80.37
Exercise Price Range 5 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit	$ 80.38
Exercise price range, upper range limit	$ 98.49