Annual report pursuant to Section 13 and 15(d)

Investments (Details)

v2.4.0.6
Investments (Details) (USD $)
Dec. 29, 2012
Dec. 31, 2011
Securities and investments recorded at fair value    
Securities and investments, Amortized Cost   $ 3,136,000
Securities and investments, Unrealized Gains   114,000
Securities and investments, Unrealized Losses   (21,000)
Securities and investments, Fair Value   3,229,000
Auction Rate Preferred Securities in Municipal and State Agencies [Member]
   
Securities and investments recorded at fair value    
Securities and investments, Amortized Cost   2,125,000
Securities and investments, Unrealized Losses   (21,000)
Securities and investments, Fair Value   2,104,000
Mutual funds [Member]
   
Securities and investments recorded at fair value    
Securities and investments, Amortized Cost 110,000 1,011,000
Securities and investments, Unrealized Gains    114,000
Securities and investments, Unrealized Losses     
Securities and investments, Fair Value $ 110,000 $ 1,125,000