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Patents and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | Patents and other intangible assets are summarized as follows:
|  | December 31, |  | December 31, |
|  | 2016 |  | 2015 |
Patents |  |  |  |  |  |  |
Patents pending |  | $ | 1,040,000 |  | $ | 2,730,000 |
Issued patents |  |  | 747,000 |  |  | 115,000 |
|  |  | 1,787,000 |  |  | 2,845,000 |
Trademarks |  |  |  |  |  |  |
Trademarks pending |  |  | 23,000 |  |  | 18,000 |
Registered trademarks |  |  | 23,000 |  |  | 23,000 |
|  |  | 46,000 |  |  | 41,000 |
Other |  |  | 8,000 |  |  | 8,000 |
|  |  | 1,841,000 |  |  | 2,894,000 |
Accumulated amortization |  |  | (106,000) |  |  | (13,000) |
|  | $ | 1,735,000 |  | $ | 2,881,000 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] | A reconciliation of patent activity for the years ended December 31, 2016 and 2015 is summarized as follows:
|  | Duplex |  | ECC |  | Total |
Balance at January 1, 2015 |  | $ | 481,000 |  | $ | 1,848,000 |  | $ | 2,329,000 |
Abandonments and impairments |  |  | (19,000) |  |  | (574,000) |  |  | (593,000) |
Additions |  |  | 669,000 |  |  | 440,000 |  |  | 1,109,000 |
Balance at December 31, 2015 |  |  | 1,131,000 |  |  | 1,714,000 |  |  | 2,845,000 |
Abandonments and impairments |  |  | (757,000) |  |  | (1,214,000) |  |  | (1,971,000) |
Additions |  |  | 546,000 |  |  | 367,000 |  |  | 913,000 |
Balance at December 31, 2016 |  | $ | 920,000 |  | $ | 867,000 |  | $ | 1,787,000 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | Future amortization expense associated with awarded patents and registered trademarks as of December 31, 2016 is estimated as follows:
2017 |  | $ | 179,000 |
2018 |  |  | 179,000 |
2019 |  |  | 157,000 |
2020 |  |  | 91,000 |
2021 |  |  | 30,000 |
Thereafter |  |  | 28,000 |
|  | $ | 664,000 |

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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=66006027&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=66006027&loc=d3e16265-109275 + Details
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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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