CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 5,399	$ (4,064)	$ 4,030	$ (3,488)
Defined benefit pension plan:
Amortization of net gain		1		1
Minimum pension liability adjustment of unconsolidated affiliate		(55)		(166)
Comprehensive income (loss)	$ 5,399	$ (4,118)	$ 4,030	$ (3,653)