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Note 9 - Derivative Financial Instruments (Detail) - Summary of derivative instruments: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Derivative assets:
Deposits and other current assets	$ 7
Other assets, net	1
	8
Derivative liabilities:
Other current liabilities		147
Other long-term liabilities		76
		$ 223