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Patents and Other Intangible Assets | 9 Months Ended
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Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets Disclosure [Text Block] | Note 4 – Patents and Other Intangible Assets Patents and other intangible assets are summarized as follows:
|  | September 30, |  | December 31, |
|  | 2017 |  | 2016 |
|  | (unaudited) |  |  |  |
Patents |  |  |  |  |  |  |
Patents pending |  | $ | 1,163,000 |  | $ | 1,040,000 |
Issued patents |  |  | 862,000 |  |  | 747,000 |
|  |  | 2,025,000 |  |  | 1,787,000 |
Trademarks |  |  |  |  |  |  |
Trademarks pending |  |  | 36,000 |  |  | 23,000 |
Registered trademarks |  |  | 23,000 |  |  | 23,000 |
|  |  | 59,000 |  |  | 46,000 |
Other |  |  | 8,000 |  |  | 8,000 |
|  |  | 2,092,000 |  |  | 1,841,000 |
Accumulated amortization |  |  | (256,000) |  |  | (106,000) |
|  | $ | 1,836,000 |  | $ | 1,735,000 |
During the three and nine months ended September 30, 2017 and 2016, the Company recorded impairment losses of $0, $0, $1,739,000, and $1,971,000 respectively, of capitalized patents pending. Future amortization expense associated with issued patents and registered trademarks as of September 30, 2017 is estimated as follows:
2017 |  | $ | 54,000 |
2018 |  |  | 215,000 |
2019 |  |  | 193,000 |
2020 |  |  | 109,000 |
2021 |  |  | 38,000 |
Thereafter |  |  | 29,000 |
|  | $ | 638,000 |

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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 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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