Income Taxes (Details 4)

9 Months Ended

Sep. 30, 2018

Income Tax Examination [Line Items]

Summary of Income Tax Examinations [Table Text Block]

The Company currently has the following tax years open to examination by major taxing jurisdictions:

	Tax Years:
United States Federal	2015 - 2016
State of California	2013 - 2016
State of Massachusetts	2013 - 2016
State of Oregon	2014 - 2016
Sweden	2012 - 2016
United Kingdom	2013 - 2016
Belgium	2011 - 2016