Unaudited Condensed Consolidated Balance Sheets (Parentheticals) (USD $)	Jun. 29, 2013	Dec. 31, 2012
Common stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	13,333,333	13,333,333
Common stock, shares issued	8,243,784	8,243,784
Treasury stock, shares	765,639	725,881
Series A Junior Participating Preferred Stock [Member] | Preferred Stock [Member]
Preferred Stock, Shares Authorized	10,000	10,000
Preferred Stock [Member]
Preferred Stock, Par Value (in Dollars per share)	$ 0.10	$ 0.10
Preferred Stock, Shares Authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	0	0
Series A Junior Participating Preferred Stock [Member]
Preferred Stock, Par Value (in Dollars per share)	$ 0.10	$ 0.10
Preferred Stock, Shares Issued	0	0