BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts and sales promotions (in dollars)	$ 303	$ 486
Inventories, reserve (in dollars)	100	50
Accumulated amortization (in dollars)	$ 48	$ 43
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	100,000	100,000
Preferred stock, shares issued
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	5,153,706	5,162,186
Common stock, shares outstanding	5,153,706	5,162,186