CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Loss [Abstract]
Net loss	$ (938)	$ (1,187)	$ (2,990)	$ (5,488)
Other comprehensive loss:
Unrealized loss on derivative instruments	0	(3)	0	(9)
Comprehensive loss	$ (938)	$ (1,190)	$ (2,990)	$ (5,497)