Note 9 - Restructuring (Detail) - Summary of Activity of Restructuring Liability (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Balance at January 1, 2011	$ 1,516	$ 1,441	$ 1,441	$ 3,765
Additions		59	53,800	594
Payments	(193)	(1)		(2,941)
Exchange rate impact	(20)	17		23
Balance	$ 1,303	$ 1,516	$ 1,303	$ 1,441