| **Note 7 - Income Taxes (Details) (USD $)**       |              |              | 3 Months Ended |
|---------------------------------------------------|--------------|--------------|----------------|
||
| **Note 7 - Income Taxes (Details) [Line Items]**  |         |         |           |
| Deferred Tax Assets, Gross                        | $ 19,755,000 | $ 19,801,000 |           |
| Deferred Tax Assets, Operating Loss Carryforwards | 12,210,000   | 12,074,000   |           |
| Operating Loss Carryforwards                      | 34,000,000   |         |           |
| Deferred Tax Expense from Stock Options Exercised |         |         | 1,300,000      |
| Deferred Tax Assets, Net of Valuation Allowance   | $ 77,000     | $ 56,000     |           |

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.
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Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise.
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.
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