Income Taxes (Details - Rate Table)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Schedule of Income Tax Rate Reconciliation [Line Items]
effective income tax reconciliation, compensation-related	1.60%	0.70%	1.70%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	(35.00%)	(35.00%)	(35.00%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	(4.80%)	(6.50%)	(7.90%)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential	(34.40%)	(29.10%)	(63.40%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense	6.00%	(7.50%)	3.50%
Effective Income Tax Rate Reconciliation, Tax Credits, Research	(4.40%)	(7.00%)	(12.20%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance	2.30%	4.00%	(12.00%)
Effective Income Tax Rate Reconciliation, Uncertain Domestic Tax Positions	2.70%	2.00%	7.00%
Effective Income Tax Rate Reconciliation, Other Adjustments	0.40%	(0.20%)	(1.90%)
Reported tax rate	(63.20%)	(76.70%)	(46.00%)
Other Intangible Assets [Member]
Schedule of Income Tax Rate Reconciliation [Line Items]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses	2.40%	1.90%	9.00%
Goodwill [Member]
Schedule of Income Tax Rate Reconciliation [Line Items]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses	0.00%	0.00%	65.20%