Computation of Basic and Diluted Net Income (Loss) Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Numerator:
Income (loss) from continuing operations	$ 2,231	$ (170)	$ 2,141
Income from discontinued operations, net of tax		1,608	469
Net income	$ 2,231	$ 1,438	$ 2,610
Denominator:
Weighted average shares of common stock (basic)	9,245	8,935	8,958
Effect of dilutive preferred shares	448		1,000
Effect of dilutive stock options	291		245
Effect of dilutive contingent shares	120		22
Weighted average shares of common stock (diluted)	10,104	8,935	10,225
Basic net income (loss) per share:
Net income (loss) before discontinued operations	$ 0.24	$ (0.02)	$ 0.24
Discontinued operations	$ 0.00	$ 0.18	$ 0.05
Net income	$ 0.24	$ 0.16	$ 0.29
Diluted net income (loss) per share:
Net income (loss) before discontinued operations	$ 0.22	$ (0.02)	$ 0.21
Discontinued operations	$ 0.00	$ 0.18	$ 0.05
Net income	$ 0.22	$ 0.16	$ 0.26