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Note F - Intangible Assets | 12 Months Ended
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Dec. 31, 2014
Disclosure Text Block [Abstract] |
Intangible Assets Disclosure [Text Block] | NOTE F—INTANGIBLE ASSETS Intangible assets consisted of the following as of December 31:
|  | 2014 |  |  | 2013 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Patents and patents pending |  | $ | 287,248 |  |  | $ | (125,904 | ) |  | $ | 161,344 |  |  | $ | 287,248 |  |  | $ | (112,298 | ) |  | $ | 174,950 |
Total |  | $ | 287,248 |  |  | $ | (125,904 | ) |  | $ | 161,344 |  |  | $ | 287,248 |  |  | $ | (112,298 | ) |  | $ | 174,950 |
Aggregate amortization expense for 2014 and 2013 was $13,606 and $20,961 respectively. The estimated aggregate amortization expense of intangible assets for the years following December 31, 2014 is approximately $14,000 per year for 2015 through 2019, and approximately $91,000 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 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 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 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=26713463&loc=d3e16373-109275 + Details
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