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Note 7 (Detail) (USD $)	9 Months Ended
Note 7 (Detail) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ (51,000)
Deferred Tax Assets, Net of Valuation Allowance	471,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic		5,503,000
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	$ 148,000

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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