Note 8 - Derivative Financial Instruments (Detail) - Summary of the Fair Value Amounts of Derivative Instruments (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Derivatives Designated as Hedging Instruments
Forward Currency Contracts	$ 22
	22
Forward Currency Contracts		6
Interest Rate Swaps	794	545
	794	551
Derivatives Not Designated as Hedging Instruments
Forward Currency Contracts		9
		9
Forward Currency Contracts	121	69
	22	9
	915	620
	$ 893	$ 611

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