Business Segment and Geographic Area Information - Reconciliation of Reportable Segment Profit or Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting [Abstract]
Total Profit or Loss for Reportable Segments	$ 3,388	$ 1,377	$ 5,843	$ 2,076
Corporate Expenses	(1,677)	(1,435)	(3,235)	(3,442)
Income (Loss) Before Income Taxes	$ 1,711	$ (58)	$ 2,608	$ (1,366)