Summary of Significant Accounting Policies (Details 6)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Swedish Krona [Member]
Weighted-average exchange rate for the condensed consolidated statements of operations
Weighted-average exchange rate for statements of operations	9.41	8.57
Japanese Yen [Member]
Weighted-average exchange rate for the condensed consolidated statements of operations
Weighted-average exchange rate for statements of operations	109.11	109.69
South Korean Won [Member]
Weighted-average exchange rate for the condensed consolidated statements of operations
Weighted-average exchange rate for statements of operations	1,162.54	1,090.03
Taiwan Dollar [Member]
Weighted-average exchange rate for the condensed consolidated statements of operations
Weighted-average exchange rate for statements of operations	31.04	29.90