Note 2 - Stock-Based Compensation (Details) - Stock Based Compensation Plan Expenses (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Note 2 - Stock-Based Compensation (Details) - Stock Based Compensation Plan Expenses [Line Items]
Total stock-based compensation expense	$ 8,859	$ 5,151	$ 24,872	$ 14,906
Cost of Sales [Member]
Note 2 - Stock-Based Compensation (Details) - Stock Based Compensation Plan Expenses [Line Items]
Allocated share-based compensation expense	246	163	669	465
Research and Development Expense [Member]
Note 2 - Stock-Based Compensation (Details) - Stock Based Compensation Plan Expenses [Line Items]
Allocated share-based compensation expense	2,388	1,491	6,638	4,557
Selling, General and Administrative Expenses [Member]
Note 2 - Stock-Based Compensation (Details) - Stock Based Compensation Plan Expenses [Line Items]
Allocated share-based compensation expense	6,225	3,577	17,565	10,059
Tax Benefit [Member]
Note 2 - Stock-Based Compensation (Details) - Stock Based Compensation Plan Expenses [Line Items]
Allocated share-based compensation expense		$ (80)		$ (175)