NOTE 5 - DETAIL OF CERTAIN BALANCE SHEET ACCOUNTS (Details) - Schedule of Accounts, Notes, Loans and Financing Receivable (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: Allowance for uncollectible accounts	$ (1,738)	$ (2,593)
Trade receivables, net	26,846	52,470
Amounts Billed [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade Receivables	16,160	35,549
Amounts Unbilled [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade Receivables	6,653	15,500
Retainage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade Receivables	$ 5,771	$ 4,014