Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Nov. 28, 2015	Nov. 29, 2014
Allowance for doubtful accounts	$ 1,175	$ 1,249
Common stock, par value (in dollars per share)	$ 5	$ 5
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	10,916,021	10,493,393
Common stock, outstanding (in shares)	10,916,021	10,493,393