Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation Expense

Stock-based compensation expense was recognized in the Consolidated Statements of Operations as follows:   

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
	(Unaudited - In thousands)
General and administrative expense	$	332	$	351	$	610	$	246
	$	332	$	351	$	610	$	246