NOTE 6 - CONTRACTS (Details) - Costs in Excess of Billings and Billings in Excess of Costs (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Costs in Excess of Billings and Billings in Excess of Costs [Abstract]
Costs incurred on uncompleted contracts	$ 40,312	$ 51,649
Estimated earnings (losses) on uncompleted contracts	10,199	3,216
Earned revenues	50,511	54,865
Less: billings to date	53,257	55,855
Net costs and estimated earnings in excess of billings on uncompleted contracts	(2,746)	(990)
Costs and estimated earnings in excess of billings on uncompleted contracts	1,431	3,840
Billings in excess of costs and estimated earnings on uncompleted contracts	(4,177)	(4,830)
Net billings in excess of costs and estimated earnings on uncompleted contracts	$ (2,746)	$ (990)