CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Revenue	$ 6,160	$ 7,958	$ 19,851	$ 24,407
Operating expenses:
Cost of revenue (exclusive of depreciation and amortization)	3,723	4,374	11,376	14,068
Research and development	336	273	969	732
Sales and marketing	519	785	1,658	2,528
General and administrative	1,378	1,347	4,167	4,264
Impairment charges	4	0	138	403
Depreciation and amortization	537	623	1,652	1,977
Total operating expenses	6,497	7,402	19,960	23,972
Income (loss) from operations	(337)	556	(109)	435
Interest and other expense:
Interest expense and other, net	354	335	1,040	1,003
Amortization of deferred financing costs	23	23	68	67
Total interest and other expense, net	377	358	1,108	1,070
Income (loss) before income taxes	(714)	198	(1,217)	(635)
Income tax expense	0	0	0	0
Net income (loss)	(714)	198	(1,217)	(635)
Preferred stock dividends	5	5	15	15
Net income (loss) attributable to common stockholders	$ (719)	$ 193	$ (1,232)	$ (650)
Net income (loss) attributable to common stockholders per share:
Basic net income (loss) per share (in dollars per share)	$ (0.02)	$ 0.01	$ (0.03)	$ (0.02)
Diluted net income (loss) per share (in dollars per share)	$ (0.02)	$ 0.01	$ (0.03)	$ (0.02)
Weighted average number of shares of common stock:
Basic (in shares)	35,393	34,950	35,441	34,885
Diluted (in shares)	35,393	35,769	35,441	34,885