CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (627)	$ (1,200)	$ (2,052)	$ (4,301)
Other comprehensive income (loss):
Unrealized gain (loss) on derivative instruments	0	4	0	(6)
Comprehensive income (loss)	$ (627)	$ (1,196)	$ (2,052)	$ (4,307)