Restructuring Costs (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring and Related Activities [Abstract]

Schedule of Restructuring

The restructuring and asset impairment activity for the years ended December 31, 2017, and 2016, was as follows:

($ in thousands)	Employee Severance and Benefits			Asset Impairments			Total
Accrued restructuring balance as of December 31, 2015	$	—		$	—		$	—
Additional accruals	301			34			335
Cash payments	(282		)	—			(282		)
Non-cash settlements	—			(34		)	(34		)
Accrued restructuring balance as of December 31, 2016	19			—			19
Cash payments	(19		)	—			(19		)
Accrued restructuring balance as of December 31, 2017	$	—		$	—		$	—