CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Revenue	$ 14,799	$ 19,218
Operating expenses:
Cost of revenue (exclusive of depreciation and amortization)	8,606	11,682
Research and development	1,148	1,117
Sales and marketing	413	664
General and administrative	3,665	5,206
Impairment charges	1,713	675
Depreciation and amortization	1,621	1,959
Total operating expenses	17,166	21,303
Loss from operations	(2,367)	(2,085)
Interest and other (income) expense:
Interest expense and other, net	1,017	1,455
Gain on extinguishment of debt	(9,045)	0
Amortization of Debt Issuance Costs	106	72
Interest and other (income) expense, net	(7,922)	1,527
Income (loss) before income taxes	5,555	(3,612)
Income tax benefit	(230)	(79)
Net income (loss)	5,785	(3,533)
Preferred stock dividends	70	12
Net income (loss) attributable to common stockholders	$ 5,715	$ (3,545)
Net income (loss) attributable to common stockholders per share:
Basic net income (loss) per share (in dollars per share)	$ 0.15	$ (0.10)
Diluted net income (loss) per share (in dollars per share)	$ 0.14	$ (0.10)
Weighted-average number of common shares:
Basic (in shares)	37,603	35,611
Diluted (in shares)	41,440	35,611