Income Taxes (Details - Rate Table)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Schedule of Income Tax Rate Reconciliation [Line Items]
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent	21.90%	0.50%	0.40%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses	3.30%	0.30%	2.20%
effective income tax reconciliation, compensation-related	(0.30%)	(1.00%)	(2.50%)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	21.00%	21.00%	35.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	6.70%	0.40%	(1.00%)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential	(47.60%)	(8.30%)	(38.90%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense	12.20%	2.10%	(1.70%)
Effective Income Tax Rate Reconciliation, Tax Credits, Research	(4.20%)	(2.60%)	(2.60%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance	1.10%	(5.20%)	(4.10%)
Effective Income Tax Rate Reconciliation, Uncertain Domestic Tax Positions	1.40%	(22.00%)	10.70%
Effective Income Tax Rate Reconciliation, TCJA net impact	0.00%	(4.70%)	91.40%
Effective Income Tax Rate Reconciliation, intra entity intangible asset transfers	(597.00%)	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Other Adjustments	(2.50%)	1.80%	(0.20%)
Reported tax rate	(584.00%)	(17.50%)	88.80%