Note 16 - Oil And Gas Disclosures (Unaudited) (Detail) - Results of Operations from Oil and Natural Gas Producing Activities (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012
Oil and gas revenues	$ 394
Less:
Oil and gas operating costs	49
Depreciation and amortization	212
Accretion expense	0
Total oil and gas expenses	261
Results of operations from oil and gas producing activities	$ 133

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Accretion expense of asset retirement obligations related to oil and gas producing activities.

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Depreciation, depletion and amortization, and valuation provisions (impairments) related to oil and gas producing activities.

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The amount of expenses related to oil and gas producing activities.

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The results of operations for oil and gas producing activities, excluding corporate overhead and interest costs.

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Production (lifting) costs from oil and gas producing activities, including but not limited to lease operating expense, production and ad valorem taxes, and transportation expense.

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Total revenues from oil and gas producing activities.

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