Note 5 - Accounts Receivable (Tables)

3 Months Ended

Feb. 28, 2015

Receivables [Abstract]

Schedule of Accounts Receivable [Table Text Block]

	February 28, 2015			November 29, 2014
Gross accounts receivable	$	19,086		$	16,477
Allowance for doubtful accounts		(1,403	)		(1,249	)
Accounts receivable, net	$	17,683		$	15,228

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

	2015
Balance at November 29, 2014	$	1,249
Acquired allowance on accounts receivable (Note 3)		209
Reductions to allowance		(55	)
Balance at February 28, 2015	$	1,403