Note 5. INDEBTEDNESS (Detail) (USD $)	3 Months Ended	6 Months Ended		8 Months Ended	9 Months Ended
	Jul. 02, 2011	Sep. 28, 2012	Jul. 02, 2011	May 31, 2012	Sep. 28, 2012	Dec. 31, 2011
Notes Payable, Noncurrent		$ 18,900,000		$ 1,000,000	$ 18,900,000
Line of Credit Facility, Revolving Credit, Description				$20.0
LineofCreditSubLimitforLOC				3,000,000
LineOfCreditSubLimiteForCapitalExpenditures				2,500,000
Line of Credit Facility, Amount Outstanding		2,100,000			2,100,000
LineOfCreditAmountOutstandingCapEx					200,000
CollateralizedMinimum					1,000,000
CollateralForOutstandingLOC					2,600,000
Line of Credit Facility, Interest Rate at Period End		4.25%			4.25%	3.02%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage (in Basis Points)					0.50%
Interest Expense, Borrowings	100,000	178,000	400,000		89,000
PBLoanAmountOutstanding
Line of Credit Facility, Amount Outstanding		$ 11,300,000			$ 11,300,000	14,400,000