Note 4 - Accounts Receivable (Tables)

12 Months Ended

Nov. 30, 2013

Receivables [Abstract]

Schedule of Accounts Receivable [Table Text Block]

	November 30, 2013			November 24, 2012
Gross accounts receivable	$	17,687		$	17,544
Allowance for doubtful accounts		(1,607	)		(1,789	)
Net accounts receivable	$	16,080		$	15,755

Schedule of Credit Losses for Financing Receivables, Current [Table Text Block]

	2013			2012
Balance, beginning of the year	$	1,789		$	2,092
Additions charged to expense		361			376
Write-offs		(543	)		(679	)
Balance, end of the year	$	1,607		$	1,789