Note 4 - Accounts Receivable (Tables)

12 Months Ended

Nov. 29, 2014

Receivables [Abstract]

Schedule of Accounts Receivable [Table Text Block]

	November 29, 2014			November 30, 2013
Gross accounts receivable	$	16,477		$	17,687
Allowance for doubtful accounts		(1,249	)		(1,607	)
Net accounts receivable	$	15,228		$	16,080

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

	2014			2013
Balance, beginning of the year	$	1,607		$	1,789
Additions charged to expense		77			361
Write-offs		(435	)		(543	)
Balance, end of the year	$	1,249		$	1,607