NOTE 5 - CONTRACTS (Details) - Costs in Excess of Billings and Billings in Excess of Costs (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
Costs in Excess of Billings and Billings in Excess of Costs [Abstract]
Costs incurred on uncompleted contracts	$ 49,584	$ 43,342
Estimated earnings (losses) on uncompleted contracts	15,902	12,022
Earned revenues	65,486	55,364
Less: billings to date	71,037	61,212
Net costs and estimated earnings in excess of billings on uncompleted contracts	(5,551)	(5,848)
Costs and estimated earnings in excess of billings on uncompleted contracts	3,571	1,206
Billings in excess of costs and estimated earnings on uncompleted contracts	(9,122)	(7,054)
Net costs and estimated earnings in excess of billings on uncompleted contracts	$ (5,551)	$ (5,848)