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Note G - Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | 2012 |  |  | 2011 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Patents and patents pending |  | $ | 287,248 |  |  | $ | (91,337 | ) |  | $ | 195,911 |  |  | $ | 287,248 |  |  | $ | (80,068 | ) |  | $ | 207,180 |
Total |  | $ | 287,248 |  |  | $ | (91,337 | ) |  | $ | 195,911 |  |  | $ | 287,248 |  |  | $ | (80,068 | ) |  | $ | 207,180 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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) -URI http://asc.fasb.org/extlink&oid=7658586&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 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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