CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Revenue	$ 4,080	$ 5,518
Operating expenses:
Cost of revenue (exclusive of depreciation and amortization)	2,448	3,459
Research and development	287	287
Sales and marketing	140	280
General and administrative	1,016	1,240
Depreciation and amortization	459	547
Total operating expenses	4,350	5,813
Loss from operations	(270)	(295)
Interest and other expense, net	371	380
Loss before income taxes	(641)	(675)
Income tax expense	27	37
Net loss	(668)	(712)
Preferred stock dividends	3	3
Net loss attributable to common stockholders	$ (671)	$ (715)
Net loss attributable to common stockholders per share:
Basic and diluted net loss per share (in dollars per share)	$ (0.02)	$ (0.02)
Weighted-average number of shares of common stock:
Basic and diluted (in shares)	36,181	35,456