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Note 3 - Taxation (Detail) - Balance Sheet Classifications of Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Current assets | $ 573 | $ 163
Long-term assets | 3,688 | 3,798
Net deferred tax asset | $ 4,261 | $ 3,961

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