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Note G - Intangible Assets | 12 Months Ended
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Dec. 31, 2012
Intangible Assets Disclosure [Text Block] | NOTE G—INTANGIBLE ASSETS Intangible assets consisted of the following as of December 31:
|  | 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 |
Aggregate amortization expense for the years ended December 31, 2012 and 2011, was $11,269 and $11,270 respectively. The estimated aggregate amortization expense of intangible assets for the years following December 31, 2012 is approximately $11,270 per year for 2013 through 2017, and $139,561 thereafter.

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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-Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44, 45, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 2: 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=7658586&loc=d3e16323-109275 Reference 3: 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=7658586&loc=d3e16373-109275 Reference 4: 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=7658586&loc=d3e16265-109275 + Details
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