Note 3 - Accounts Receivable (Tables)

9 Months Ended

Aug. 30, 2014

Receivables [Abstract]

Schedule of Accounts Receivable [Table Text Block]

	August 30, 2014			November 30, 2013
Gross accounts receivable	$	17,440		$	17,687
Allowance for doubtful accounts		(1,543	)		(1,607	)
Accounts receivable, net	$	15,897		$	16,080

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

	2014			2013
Balance at November 30, 2013	$	1,607		$	1,789
Additions charged to expense		164			361
Write-offs and other deductions		(228	)		(543	)
Balance at August 30, 2014	$	1,543		$	1,607