Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Revenues	$ 28,524	$ 24,171	$ 22,136
Cost of operations	21,737	17,767	15,200
Gross profit	6,787	6,404	6,936
Selling, general and administrative expenses	14,138	17,571	16,083
Gain on sale of real estate	(1,846)	0	0
Impairment	0	212	41
Restructuring charges	1,299
Operating loss from continuing operations	(5,651)	(12,181)	(9,734)
Other (expense) income:
Interest expense	(1)	(86)	(10)
Interest income	1	5	26
Other (expense) income, net	(239)	(399)	(33)
Total other (expense) income	(239)	(480)	(17)
Loss from continuing operations before income taxes	(5,890)	(12,661)	(9,751)
Income tax expense	23	19	23
Loss from continuing operations	(5,913)	(12,680)	(9,774)
Discontinued operations:
Loss from discontinued operations, net of tax	(3,301)	(2,025)	(7,889)
Gain on sale of subsidiaries, net of adjustments	739	3,430	65
(Loss) income from discontinued operations	(2,562)	1,405	(7,824)
Net loss	(8,475)	(11,275)	(17,598)
Basic and diluted (loss) earnings per share:
Continuing operations, basic (usd per share)	$ (0.08)	$ (0.18)	$ (0.14)
Continuing operations, diluted (usd per share)	$ (0.08)	$ (0.18)	$ (0.14)
Discontinued operations, basic (usd per share)	$ (0.04)	$ 0.02	$ (0.11)
Discontinued operations, diluted (usd per share)	$ (0.04)	$ 0.02	$ (0.11)
Net loss, basic (usd per share)	$ (0.12)	$ (0.16)	$ (0.25)
Net loss, diluted (usd per share)	$ (0.12)	$ (0.16)	$ (0.25)
Weighted average number of shares - Basic	70,684,452	69,965,814	69,743,897
Weighted average number of shares - Diluted	70,684,452	69,965,814	69,743,897
Continuing Operations [Member]
Income Statement [Abstract]
Restructuring charges	$ 146	$ 802	$ 546