Note 9 - Income Taxes (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Scenario, Forecast [Member] | |||||||
| Effective Income Tax Rate Reconciliation, Percent | 0.00% | ||||||
| Domestic Tax Authority [Member] | |||||||
| Operating Loss Carryforwards | $ 14,487,000 | ||||||
| State and Local Jurisdiction [Member] | |||||||
| Operating Loss Carryforwards | 14,475,000 | ||||||
| Effective Income Tax Rate Reconciliation, Percent | 0.00% | 0.00% | 0.00% | 0.00% | |||
| Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 0 | ||||||
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | $ 0 | $ 0 | $ 0 | ||||
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 13,900,000 | ||||||
| Unrecognized Tax Benefits | $ 97,000 | ||||||
| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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| X | ||||||||||
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