Note 8 - Derivative Financial Instruments (Detail) - Summary of the Fair Value Amounts of Derivative Instruments (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Derivatives Designated as Hedging Instruments
Forward Currency Contracts	$ 2
	2
Forward Currency Contracts		6
Interest Rate Swaps	684	545
	684	551
Derivatives Not Designated as Hedging Instruments
Forward Currency Contracts		9
		9
Forward Currency Contracts	291	69
	2	9
	975	620
	$ 973	$ 611

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