CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,714)	$ (3,910)
Hedging activity:
Interest rate swap settlements	(28)	(61)
Interest rate swap amounts reclassified into interest expense	25	53
Unrealized (loss) gain resulting from changes in fair value of derivative instruments	(1,554)	785
Other comprehensive (loss) income	(1,557)	777
Income tax provision related to items of other comprehensive (loss) income	0	209
Other comprehensive (loss) income, net of tax	(1,557)	568
Comprehensive loss	$ (3,271)	$ (3,342)