Consolidated Statements of Operations (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
Revenues	$ 10,993	$ 12,299	$ 34,193	$ 35,786
Cost of operations	8,730	8,762	25,663	25,529
Gross profit	2,263	3,537	8,530	10,257
Selling, general and administrative expenses	5,002	4,655	15,372	15,054
Impairment of long-lived assets	0	0	212	0
Restructuring charges	362	0	671	445
Operating loss from continuing operations	(3,101)	(1,118)	(7,725)	(5,242)
Other expense:
Interest expense	(54)	(2)	(80)	(8)
Interest income	0	6	4	22
Other expense, net	(131)	(71)	(343)	(217)
Other expense	(185)	(67)	(419)	(203)
Loss from continuing operations before income taxes	(3,286)	(1,185)	(8,144)	(5,445)
Income tax expense	5	4	14	11
Loss from continuing operations	(3,291)	(1,189)	(8,158)	(5,456)
Discontinued operations:
Gain on sale of Portamedic and subsidiary	3,543	0	3,618	65
Loss from discontinued operations, net of income taxes	(1,966)	(1,004)	(4,736)	(5,470)
Income (loss) from Discontinued Operations	1,577	(1,004)	(1,118)	(5,405)
Net loss	$ (1,714)	$ (2,193)	$ (9,276)	$ (10,861)
Continuing operations
Basic (in dollars per share)	$ (0.05)	$ (0.02)	$ (0.12)	$ (0.08)
Diluted (in dollars per share)	$ (0.05)	$ (0.02)	$ (0.12)	$ (0.08)
Discontinued operations
Basic (in dollars per share)	$ 0.02	$ (0.01)	$ (0.02)	$ (0.08)
Diluted (in dollars per share)	$ 0.02	$ (0.01)	$ (0.02)	$ (0.08)
Net loss
Basic (in dollars per share)	$ (0.02)	$ (0.03)	$ (0.13)	$ (0.16)
Diluted (in dollars per share)	$ (0.02)	$ (0.03)	$ (0.13)	$ (0.16)
Weighted average number of shares - Basic (in shares)	69,952,153	69,789,628	69,877,878	69,713,178
Weighted average number of shares - Diluted (in shares)	69,952,153	69,789,628	69,877,878	69,713,178