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Note 16 - Oil And Gas Disclosures (Unaudited) (Detail) - Capitalized Costs Relating to Oil and Gas Producing Activities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Capitalized costs:
Proved properties	$ 2,953
Unproved properties	0
Total capitalized costs	2,953
Less accumulated depreciation and amortization	(212)
Net capitalized costs	$ 2,741

Capitalized costs of proved properties incurred for any combination mineral interests acquisitions; wells and related equipment; support equipment and facilities; and uncompleted wells and equipment and other costs not previously disclosed within this table.

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- Definition

Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.

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