Note 3 - Accounts Receivable (Tables)

9 Months Ended

Aug. 31, 2013

Receivables [Abstract]

Schedule of Accounts Receivable [Table Text Block]

	August 31, 2013			November 24, 2012
Gross accounts receivable	$	17,728		$	17,544
Allowance for doubtful accounts		(1,509	)		(1,789	)
Accounts receivable, net	$	16,219		$	15,755

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

Balance at November 24, 2012	$	1,789
Additions charged to expense		192
Write-offs and other deductions		(472	)
Balance at August 31, 2013	$	1,509