Loss Per Share - Computation of basic and diluted earnings (loss) per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Numerator
Net loss-basic and diluted	$ (126)	$ (164)	$ (526)	$ (248)
Denominator
Denominator for basic and diluted earnings per share weighted average shares (in shares)	5,154	5,154	5,154	5,154
Loss per common share Basic and diluted (in dollars per share)	$ (0.02)	$ (0.03)	$ (0.1)	$ (0.05)