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Note 5 - Derivative Financial Instruments (Detail) - Summary of derivative instruments: (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Derivative liabilities:
Other current liabilities	$ 156	$ 147
Other long-term liabilities	42	76
	$ 198	$ 223

X

- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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