Acquisitions (Schedule of Proforma Statements) (Details) - WP [Member] - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Business Acquisition [Line Items]
Revenue	$ 13,805,000	$ 26,819,000
Operating income	454,000	1,788,000
Net income / (loss)	$ (137,000)	$ 830,000