Organization and Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Earnings per common share
Anti-dilutive options excluded from computation of diluted earnings per share (in shares)	160,582	15,000
Basic Earnings Per Share:
Net income	$ 1,056	$ 1,722
Weighted average number of common shares	19,206,000	18,282,000
Earnings per common share (in dollars per share)	$ 0.05	$ 0.09
Diluted Earnings Per Share:
Net income	$ 1,056	$ 1,722
Weighted average number of common shares	19,206,000	18,282,000
Incremental shares from assumed conversions of stock options and non-vested shares of restricted stock	488,000	1,083,000
Adjusted weighted average number of common shares	19,694,000	19,365,000
Earnings per common share (in dollars per share)	$ 0.05	$ 0.09