CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenue	$ 5,088	$ 6,528	$ 10,606	$ 13,691
Operating expenses:
Cost of revenue (exclusive of depreciation and amortization)	3,120	3,704	6,579	7,653
Research and development	302	335	589	633
Sales and marketing	225	431	505	1,139
General and administrative	1,104	1,386	2,344	2,789
Impairment charges	25	9	25	134
Depreciation and amortization	508	560	1,054	1,115
Total operating expenses	5,284	6,425	11,096	13,463
Income (loss) from operations	(196)	103	(490)	228
Interest and other expense, net	375	372	755	731
Loss before income taxes	(571)	(269)	(1,245)	(503)
Income tax expense	34	0	71	0
Net loss	(605)	(269)	(1,316)	(503)
Preferred stock dividends	3	5	6	10
Net loss attributable to common stockholders	$ (608)	$ (274)	$ (1,322)	$ (513)
Net loss attributable to common stockholders per share:
Basic and diluted net loss per share (in dollars per share)	$ (0.02)	$ (0.01)	$ (0.04)	$ (0.01)
Weighted average number of shares of common stock:
Basic and diluted (in shares)	35,492	35,400	35,474	35,466