Summary of Significant Accounting Policies (Details 8)	Mar. 31, 2018	Dec. 31, 2017
Swedish Krona [Member]
Exchange rate for the consolidated balance sheets
Exchange rate	8.32	8.21
Japanese Yen [Member]
Exchange rate for the consolidated balance sheets
Exchange rate	106.24	112.65
South Korean Won [Member]
Exchange rate for the consolidated balance sheets
Exchange rate	1,059.80	1,066.31
Taiwan Dollar [Member]
Exchange rate for the consolidated balance sheets
Exchange rate	29.02	29.66