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Revenue (Tables) | 9 Months Ended
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Sep. 30, 2018
Revenue [Abstract] |
Disaggregation of Revenue |
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﻿ |  | Three Months Ended |  | Nine Months Ended
﻿ |  | September 30, |  | September 30,
﻿ |  | 2018 |  | 2017 |  | 2018 |  | 2017
﻿Display products |  | $ | 815 |  | $ | 767 |  | $ | 2,315 |  | $ | 2,250
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﻿Telecommunication products |  |  | 1,117 |  |  | 917 |  |  | 3,026 |  |  | 2,617
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﻿Specialty glass products |  |  | 459 |  |  | 373 |  |  | 1,080 |  |  | 1,010
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﻿Environmental substrate and filter products |  |  | 331 |  |  | 277 |  |  | 970 |  |  | 815
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﻿Life science products |  |  | 231 |  |  | 223 |  |  | 708 |  |  | 654
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﻿All Other |  |  | 55 |  |  | 50 |  |  | 156 |  |  | 133
﻿ |  | $ | 3,008 |  | $ | 2,607 |  | $ | 8,255 |  | $ | 7,479
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
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