Computation of Basic and Diluted Net (Loss) Income Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Numerator:
(Loss) income from continuing operations	$ (555)	$ 256	$ (423)	$ 1,340
Less income from discontinued operations	(190)	93	1,619	484
Net (loss) income	$ (745)	$ 349	$ 1,196	$ 1,824
Denominator:
Weighted average shares of common stock (basic)	9,005	8,965	8,974	8,963
Effect of dilutive preferred shares	0	1,000	0	1,000
Effect of dilutive stock options	0	251	0	250
Effect of dilutive contingent shares	0	37	0	20
Weighted average shares of common stock (diluted)	9,005	10,253	8,974	10,233
Basic (loss) income per share:
(Loss) income before discontinued operations	$ (0.06)	$ 0.03	$ (0.05)	$ 0.15
Discontinued operations	$ (0.02)	$ 0.01	$ 0.18	$ 0.05
Net (loss) income	$ (0.08)	$ 0.04	$ 0.13	$ 0.20
Diluted (loss) income per share:
(Loss) income before discontinued operations	$ (0.06)	$ 0.02	$ (0.05)	$ 0.13
Discontinued operations	$ (0.02)	$ 0.01	$ 0.18	$ 0.05
Net (loss) income	$ (0.08)	$ 0.03	$ 0.13	$ 0.18