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v3.20.2

Summary of Significant Accounting Policies (Details 6) | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
Swedish Krona [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 9.68 | 9.31
Japanese Yen [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 108.26 | 110.03
South Korean Won [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 1,205.88 | 1,146.39
Taiwan Dollar [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 30.01 | 30.97

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