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Note 10 - Income Taxes (Details) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Note 10 - Income Taxes (Details) [Line Items] |  |
Operating Loss Carryforwards |  | $ 2,808,000 us-gaap_OperatingLossCarryforwards
Deferred Tax Assets, Valuation Allowance | 475,000 us-gaap_DeferredTaxAssetsValuationAllowance | 475,000 us-gaap_DeferredTaxAssetsValuationAllowance
Capital Loss Carryforward [Member] |  |
Note 10 - Income Taxes (Details) [Line Items] |  |
Tax Credit Carryforward, Amount |  | 27,000 us-gaap_TaxCreditCarryforwardAmount / us-gaap_TaxCreditCarryforwardAxis = us-gaap_CapitalLossCarryforwardMember
Research Tax Credit Carryforward [Member] |  |
Note 10 - Income Taxes (Details) [Line Items] |  |
Tax Credit Carryforward, Amount |  | $ 696,000 us-gaap_TaxCreditCarryforwardAmount / us-gaap_TaxCreditCarryforwardAxis = us-gaap_ResearchMember

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Carryforwards -URI http://asc.fasb.org/extlink&oid=6506874 + Details
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