Note 6 - Income Taxes (Detail) - Income Tax Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Income (loss) before income taxes	$ (255)	$ 865
Federal statutory tax rate	35.00%	35.00%
	(89)	303
State income taxes, net of federal income tax benefits	48	59
Change in valuation allowance	188	(97)
Capital loss carryforward		(10)
Increase in available federal tax credit	(35)	(75)
Other nondeductible expenses	46	12
Increase in net operating loss carryforward: state	(86)	(87)
federal	1	(1)
Other, net	(2)	(15)
	$ 71	$ 89

Income Tax Reconciliation, Capital Loss Carryforward.

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Income Tax Reconciliation, Increase In Available Federal Tax Credit.

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Income Tax Reconciliation, Increase In Net Operating Loss Carryforward, Federal.

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Income Tax Reconciliation, Increase In Net Operating Loss Carryforward, State.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles, not otherwise listed in the existing taxonomy.

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The sum of other amounts reflected in the reconciliation of the statutory tax provision (benefit) to the actual tax provision (benefit).

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit.

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