Note 4 - Accounts Receivable (Tables)

9 Months Ended

Sep. 28, 2013

Receivables [Abstract]

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

	September 28, 2013			December 29, 2012
Billed	$	36,131		$	26,600
Accrued and unbilled		5,839			4,761
Work-in-progress		13,836			13,552
Allowance for doubtful accounts and sales discounts		(978	)		(1,207	)
Accounts receivable, net	$	54,828		$	43,706