Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable (Tables)

6 Months Ended

Jun. 28, 2014

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	June 28, 2014			December 28, 2013
Billed	$	44,079		$	35,415
Accrued and unbilled		6,428			7,895
Work-in-progress		9,729			13,394
Allowance for doubtful accounts and sales discounts		(929	)		(978	)
Accounts receivable, net	$	59,307		$	55,726