Investment (Details) - USD ($) $ in Thousands	9 Months Ended
	Aug. 31, 2014	Aug. 31, 2015	Nov. 30, 2014
Investment in Centaur Media plc
Shares of common stock held in Centaur Media		1,952,462
Pre-Tax Gain on sale of common stock in Centaur Media plc	$ 318
Shares of Centaur Media common stock sold	500,000
Proceeds from sale of shares	$ 566
Investment in Centaur Media
Fair value		$ 2,562	$ 1,924
Cost		1,014	1,014
Unrealized gain		$ 1,548	$ 910