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Note 7 - Intangible Assets | 12 Months Ended
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Sep. 30, 2013
Disclosure Text Block [Abstract] |
Intangible Assets Disclosure [Text Block] | 7. INTANGIBLE ASSETS Intangible assets consisted of the following:
|  | September 30, |
|  | 2013 |  |  | 2012 |
Cost |  | $ | 93,938 |  |  | $ | 358,925 |
Accumulated amortization |  |  | (42,288 | ) |  |  | (200,468 | )
|  | $ | 51,650 |  |  | $ | 158,457 |
|  | Year ended September 30, |
|  | 2013 |  |  | 2012 |
Amortization expense |  | $ | 23,317 |  |  | $ | 29,522 |
Loss on sale or impairment of patents |  |  | 81,307 |  |  |  | 41,621 |
Net sale or impairment of patents |  | $ | 104,624 |  |  | $ | 71,143 |
Each quarter, the Company reviews the ongoing value of its capitalized patent costs. In the fiscal years ended September 30, 2013 and 2012, some of these assets were identified as being associated with patents no longer consistent with the Company’s business strategy. As a result of this review, the Company recorded a loss as shown above from the impairment of patents that were previously capitalized.
Estimated Amortization Expense Years Ended September 30, |  |  |  |
2014 |  | $ | 6,269 |
2015 |  |  | 6,269 |
2016 |  |  | 6,269 |
2017 |  |  | 6,269 |
2018 |  |  | 6,269 |
Thereafter |  |  | 20,305 |
|  | $ | 51,650 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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