General and Summary of Significant Accounting Policies Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
GOODWILL	$ 12,357	$ 5,577
Goodwill, Acquired During Period	1,300	6,536	$ 0
Goodwill, Foreign Currency Translation Gain (Loss)	(2,462)
Goodwill, Purchase Accounting Adjustments		244
GOODWILL	11,195	12,357	$ 5,577
Fannin [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period		1,000
Medical Australia Limited [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period		$ 5,500
Goodwill, Purchase Accounting Adjustments	1,900
Tru Process [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	$ 1,300