NOTE 5 - CONTRACTS (Details) - Costs in Excess of Billings and Billings in Excess of Costs (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Dec. 28, 2013	Mar. 29, 2013
Costs in Excess of Billings and Billings in Excess of Costs [Abstract]
Costs incurred on uncompleted contracts	$ 29,051	$ 43,342
Estimated earnings (losses) on uncompleted contracts	13,339	12,022
Earned revenues	42,390	55,364
Less: billings to date	45,249	61,212
Net costs and estimated earnings in excess of billings on uncompleted contracts	(2,859)	(5,848)
Costs and estimated earnings in excess of billings on uncompleted contracts	2,103	1,206	2,103
Billings in excess of costs and estimated earnings on uncompleted contracts	(4,962)	(7,054)	(4,962)
Net costs and estimated earnings in excess of billings on uncompleted contracts	$ (2,859)	$ (5,848)