Summary of Significant Accounting Policies (Details 6)	6 Months Ended
	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