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Note 9 - Income Taxes (Detail) (USD $)
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Jun. 30, 2012
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| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | $ 29,741,000 |
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 15,012,000 |
| Deferred Tax Assets, Operating Loss Carryforwards, Foreign | $ 68,476,000 |
| X | ||||||||||
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- 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 | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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