Significant Accounting Policies (Details 7) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Basic and diluted income per share
Options and warrants excluded from computation of earnings per share (in shares)	452	795
Numerator:
Net income (loss) attributable to controlling interest	$ 3,318	$ (3,852)
Denominator:
Weighted average shares outstanding - basic	5,562	5,551
Employee stock options (in shares)	7	0
Stock warrants (in shares)	173	0
Weighted average shares outstanding - diluted (in shares)	5,742	5,551
Income per share:
Basic (in dollars per share)	$ 0.60	$ (0.69)
Diluted (in dollars per share)	$ 0.58	$ (0.69)