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Summary of Significant Accounting Policies (Details 8) | Dec. 31, 2018 | Dec. 31, 2017
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Swedish Krona [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 8.87 | 8.21
Japanese Yen [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 109.69 | 112.65
South Korean Won [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 1,113.63 | 1,066.31
Taiwan Dollar [Member] |  |
Exchange Rate for Consolidated Balance Sheets |  |
Exchange rate for the consolidated balance sheets | 30.61 | 29.66

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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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