Restricted Stock Awards (Tables)

6 Months Ended

Jun. 30, 2019

Restricted stock

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Stock-based Compensation Expense

Stock-based compensation expense related to restricted stock awards is allocated as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
General and administrative	1		2		3		12
	$	1	$	2	$	3	$	12