Note 12 - Income Taxes (Detail) - Components of Income Tax Benefit (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ 6,719	$ 422	$ 1,913
State	2,547	352	285
Foreign	3,949	1,508	724
	13,215	2,282	2,922
Deferred:
Federal	(13,285)	(5,189)	(4,120)
State	(2,857)	(916)	(616)
Foreign	(5,059)	(259)	(670)
Total	(21,201)	(6,364)	(5,406)
Benefit for income taxes	$ (7,987)	$ (4,082)	$ (2,484)