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Note 8 - Income Taxes (Detail) (USD $)
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12 Months Ended | |
|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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| Operating Loss Carryforwards | $ 148,478,000 | |
| Stock Issued During Period, Shares, New Issues (in Shares) | 3,666,665 | |
| Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 5.00% | |
| Valuation Allowance, Deferred Tax Asset, Change in Amount | 8,340,000 | |
| Deferred Tax Assets, Valuation Allowance | $ 60,183,000 | $ 51,843,000 |
| X | ||||||||||
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available.
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| X | ||||||||||
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- Definition
The sum of domestic, foreign and state and local operating loss carryforwards, 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 | ||||||||||
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the change in the period in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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