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Summary of Significant Accounting Policies (Details 5) | Dec. 31, 2017 | Dec. 31, 2016
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Swedish Krona [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 8.21 | 9.07
Japanese Yen [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 112.65 | 116.97
South Korean Won [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 1,066.31 | 1,205.11
Taiwan Dollar [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 29.66 | 32.28

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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
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