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LICENSED TECHNOLOGY (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of licensed technology | Licensed technology consists of the following:
|  | December 31, |
|  | 2017 |  | 2016 |
Licensed technology |  | $ | 4,608,000 |  | $ | 9,608,000 |
Less accumulated amortization |  |  | 631,000 |  |  | 1,224,000 |
Licensed technology, net |  | $ | 3,977,000 |  | $ | 8,384,000 |
Amortization expense for intangible assets | Amortization on licensed technology was $534,000 and $677,000 for the years ended December 31, 2017 and 2016, respectively. The aggregate estimated amortization expense for intangible assets remaining as of December 31, 2017 is as follows (in thousands):
2018 |  | $ | 346 |
2019 |  |  | 346 |
2020 |  |  | 346 |
2021 |  |  | 346 |
2022 |  |  | 346 |
Thereafter |  |  | 2,247 |
Total |  | $ | 3,977 |

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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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