Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenues	$ 49,160	$ 50,977	$ 51,082
Cost of operations	37,618	37,678	37,526
Gross profit	11,542	13,299	13,556
Selling, general and administrative expenses	20,273	19,543	21,293
Impairment	212	227	0
Restructuring charges	813	566	34
Operating loss from continuing operations	(9,756)	(7,037)	(7,771)
Other (expense) income:
Interest expense	(86)	(10)	(18)
Interest income	5	26	62
Other (expense) income, net	(399)	(33)	(39)
Other (expense) income	(480)	(17)	5
Loss from continuing operations before income taxes	(10,236)	(7,054)	(7,766)
Income tax expense	19	23	36
Loss from continuing operations	(10,255)	(7,077)	(7,802)
Discontinued operations:
(Loss) income from discontinued operations, net of tax	(4,450)	(10,586)	4,216
Gain on sale of Portamedic and subsidiary	3,430	65	62
Net loss	$ (11,275)	$ (17,598)	$ (3,524)
Basic and diluted (loss) earnings per share:
Continuing operations, basic (usd per share)	$ (0.15)	$ (0.10)	$ (0.11)
Continuing operations, diluted (usd per share)	$ (0.15)	$ (0.10)	$ (0.11)
Discontinued operations, basic (usd per share)	$ (0.01)	$ (0.15)	$ 0.06
Discontinued operations, diluted (usd per share)	$ (0.01)	$ (0.15)	$ 0.06
Net loss, basic (usd per share)	$ (0.16)	$ (0.25)	$ (0.05)
Net loss, diluted (usd per share)	$ (0.16)	$ (0.25)	$ (0.05)
Weighted average number of shares - Basic	69,965,814	69,743,897	69,628,135
Weighted average number of shares - Diluted	69,965,814	69,743,897	69,628,135