Note 1. SIGNIFICANT ACCOUNTING POLICIES (Detail) - Compensation expense (income) is included in selling, general and administrative expense in the Cond (USD $)	3 Months Ended		9 Months Ended
	Sep. 28, 2012	Sep. 30, 2011	Sep. 28, 2012	Sep. 28, 2012	Sep. 30, 2011
Stock option income				$ 0	$ (274,000)
Stock appreciation right (income) expense	(65,000)	(23,000)	52,000		(336,000)
	$ (65,000)	$ (23,000)	$ (52,000)		$ 610,000