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

12 Months Ended

Dec. 30, 2017

Notes Tables

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

	December 30, 2017			December 31, 2016
Billed	$	31,448		$	34,463
Accrued and unbilled		10,573			6,894
Work-in-progress		5,026			5,215
Allowance for sales discounts and doubtful accounts		(967	)		(1,402	)
Accounts receivable, net	$	46,080		$	45,170