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Note 16 - Income Taxes (Details) (USD $)
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12 Months Ended | |
|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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| Note 16 - Income Taxes (Details) [Line Items] | ||
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 34.00% | |
| Valuation Allowance as Percentage of Deferred Tax Asset | 100.00% | |
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | $ 73,200,000 | |
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 71,000,000 | |
| Valuation Allowance, Deferred Tax Asset, Change in Amount | 1,100,000 | |
| Change In Control Ownership Threshold | 50.00% | |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 128,000 | 121,000 |
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Domestic Tax Authority [Member]
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| Note 16 - Income Taxes (Details) [Line Items] | ||
| Deferred Tax Assets, Tax Credit Carryforwards, Research | 361,000 | |
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State and Local Jurisdiction [Member]
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| Note 16 - Income Taxes (Details) [Line Items] | ||
| Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 231,000 |