Restructuring and Severance (Tables)

6 Months Ended

Jun. 30, 2019

Restructuring And Related Activities [Abstract]

Restructuring and Severance

Restructuring and severance activities during the three and six months ended June 30, 2019 and 2018 were as follows (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Balance at beginning of period	$	129		$	—		$	129		$	—
Restructuring expense incurred for the period		(2	)		258			(14	)		368
Net cash received during the period in excess of lease obligations		(23	)		(258	)		(11	)		(368	)
Balance at end of period	$	104		$	—		$	104		$	—