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Summary of Significant Accounting Policies (Details 1)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Swedish Krona
Weighted average exchange rate for consolidated statements of operations
Weighted-average exchange rate for consolidated statements of operations	8.43	6.86	6.51
Japanese Yen
Weighted average exchange rate for consolidated statements of operations
Weighted-average exchange rate for consolidated statements of operations	121.03	105.84	97.58
South Korean Won
Weighted average exchange rate for consolidated statements of operations
Weighted-average exchange rate for consolidated statements of operations	1,130.22	1,050.63
Taiwan Dollar
Weighted average exchange rate for consolidated statements of operations
Weighted-average exchange rate for consolidated statements of operations	31.73

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