Restructuring Costs (Tables)

6 Months Ended

Jun. 30, 2018

Restructuring And Related Activities [Abstract]

Schedule of Restructuring Costs, Recorded in Restructuring Expense in Condensed Consolidated Statements of Operations, Incurred

The table below sets forth the restructuring costs, recorded in restructuring expense in the condensed consolidated statements of operations, incurred during the three and six months ended June 30, 2018 and 2017:                   

	Three Months Ended					Six Months Ended
	June 30, 2018		June 30, 2017			June 30, 2018			June 30, 2017
Early supply contract termination	$	-	$	(246	)	$	-		$	1,985
Cost of equipment relocation		526		72			220			72
Asset retirement obligation		-		234			-			234
Retention costs		-		1,778			(14	)		1,778
	$	526	$	1,838		$	206		$	4,069

Schedule of Costs Accrued and Paid Related to Restructuring

The table below sets forth the costs accrued and paid related to the KFAB restructuring:

	Retention Costs			Equipment Relocation			Total
Beginning balance, January 1, 2018	$	659		$	645		$	1,304
Costs accrued		(14	)		526			512
Restructuring costs paid		(645	)		(1,171	)		(1,816	)
Balance at June 30, 2018	$	-		$	-		$	-

Schedule of Asset Retirement Obligation Related to Restructuring

The table below sets forth the asset retirement obligation related to the KFAB restructuring:

Asset retirement obligation, January 1, 2018	$	389
Reversal of accrual		(389	)
Asset retirement obligation, June 30, 2018	$	-