Business Combination (Schedule of Pro Forma Information) (Details) - Nesscap - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017
Business Acquisition [Line Items]
Net revenues	$ 38,096	$ 69,948
Net loss	$ (9,346)	$ (20,487)
Business Acquisition, Pro Forma Information [Abstract]
Basic (in dollars per share)	$ (0.25)	$ (0.56)
Business Acquisition, Pro Forma Information, Weighted Average Common Shares Outstanding [Abstract]
Basic and diluted (in shares)	36,757	36,511