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Note 6 - Income Taxes (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Deferred Tax Liabilities, Gross | $ 2,072,000 |
Deferred Tax Assets, Net of Valuation Allowance | 2,080,000 | 2,043,000
Deferred Tax Assets, Valuation Allowance | 996,000 | 808,000
Income Taxes Paid, Net | 94,000 | 70,000
Operating Loss Carryforwards | 5,970,000 |
Tax Credit Carryforward, Amount | $ 29,000 |

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