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Patents and Other Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | 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 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | 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 Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived 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 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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