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Note 6 - Intangible Assets (Detail) - Table of Intangible assets (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Cost | $ 236,906 | $ 236,669
Accumulated Amortization | 186,702 | 186,702
Carrying Amount | 41,614 | 49,967
Licensing Agreements [Member] |  |
Weighted Average Amortization Period | 5 years | 5 years
Cost | 10,000 | 10,000
Accumulated Amortization | 10,000 | 10,000
Carrying Amount | 0 | 0
Patents and Copyrights [Member] |  |
Weighted Average Amortization Period | 14 years | 14 years
Cost | 46,692 | 46,692
Accumulated Amortization | 28,405 | 26,721
Carrying Amount | 18,287 | 19,971
IntellectualPropertyMember |  |
Weighted Average Amortization Period | 15 years | 15 years
Cost | 100,000 | 100,000
Accumulated Amortization | 76,673 | 70,004
Carrying Amount | 23,327 | 29,996
Certifications [Member] |  |
Weighted Average Amortization Period | 3 years | 3 years
Cost | 58,722 | 58,485
Accumulated Amortization | 58,722 | 58,485
Carrying Amount | 0 | 0
Other Intangible Assets [Member] |  |
Weighted Average Amortization Period | 5 years | 5 years
Cost | 21,492 | 21,492
Accumulated Amortization | 21,492 | 21,492
Carrying Amount | $ 0 | $ 0

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 42, 45 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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