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Note 8 - Discontinued Operations (Detail) - Discontinued Oil and Gas Operations, Revenues and Net Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Loss from discontinued operations before taxes	$ (110)	$ (177)

- Definition

After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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