Income Taxes (Tables)

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Tax years open to examination by major taxing jurisdictions

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

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