Consolidated Balance Sheets (Parenthetical) (USD $)	Aug. 31, 2014	Nov. 30, 2013
Consolidated Balance Sheets
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	5,537,895	5,534,687
Common stock, shares outstanding	5,149,574	5,146,366
Treasury stock, shares	388,321	388,321