Business Acquisition (Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Business Acquisition [Line Items]
Net income from continuing operations	$ 2,301	$ 733	$ (3,266)	$ (2,125)
Cost & Compliance Associates [Member]
Business Acquisition [Line Items]
Revenue, net of refund liabilities			10,587	7,833
Net income from continuing operations			$ 1,752	$ 1,397