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Note 3 - Revenue (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Telecommunication products |  | $ | 1,317 |  |  | $ | 1,131 |  |  | $ | 3,828 |  |  | $ | 3,143 |
Display products |  |  | 558 |  |  |  | 936 |  |  |  | 2,223 |  |  |  | 2,758 |
Specialty glass products |  |  | 516 |  |  |  | 556 |  |  |  | 1,494 |  |  |  | 1,490 |
Environmental substrate and filter products |  |  | 393 |  |  |  | 382 |  |  |  | 1,130 |  |  |  | 1,233 |
Life science products |  |  | 297 |  |  |  | 304 |  |  |  | 908 |  |  |  | 917 |
Polycrystalline silicon and all other products |  |  | 407 |  |  |  | 306 |  |  |  | 1,200 |  |  |  | 865 |
Total net sales |  | $ | 3,488 |  |  | $ | 3,615 |  |  | $ | 10,783 |  |  | $ | 10,406 |
Impact of constant currency reporting (1) |  |  | 178 |  |  |  | 24 |  |  |  | 389 |  |  |  |  |
Net sales of reportable segments and Hemlock and Emerging Growth Businesses |  | $ | 3,666 |  |  | $ | 3,639 |  |  | $ | 11,172 |  |  | $ | 10,406 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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