Acquisitions (Schedule of Revenues and Net Income from Continuing Operations) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Revenue	$ 28,593,000	$ 30,036,000
Weeden Prime Services LLC [Member]
Business Acquisition [Line Items]
Revenue	968,000
Net income from continuing operations	$ 203,000