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Note 8 - Acquisitions (Details) - Fair Value of Samsung Corning Precision Materials at Acquisition Date (Parentheticals) | Jan. 15, 2014
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Samsung Corning Precision Materials Co., Ltd. [Member] |
Note 8 - Acquisitions (Details) - Fair Value of Samsung Corning Precision Materials at Acquisition Date (Parentheticals) [Line Items] |
Net fair value of consideration, percent | 100.00%

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- Definition Percentage of net fair value of consideration. + References No definition available. + Details
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