CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock
Balance at Nov. 30, 2011	$ 64,757	$ 6,550	$ 105,512	$ (44,214)	$ (3,091)
Balance (in shares) at Nov. 30, 2011		65,477,000
Increase (Decrease) in Stockholders' Equity
Net income (loss) and comprehensive income (loss)	3,602			3,602
Exercise of stock options	20	2	18
Exercise of stock options (in shares)	20,000	20,000
Stock-based compensation, net of withholding taxes	985		985
Issuance of restricted stock		169	(169)
Issuance of restricted stock (in shares)		1,686,000
Balance at Aug. 31, 2012	69,364	6,721	106,346	(40,612)	(3,091)
Balance (in shares) at Aug. 31, 2012		67,183,000
Balance at Nov. 30, 2012	71,739	6,732	106,747	(38,649)	(3,091)
Balance (in shares) at Nov. 30, 2012	67,294,000	67,294,000
Increase (Decrease) in Stockholders' Equity
Net income (loss) and comprehensive income (loss)	(5,502)			(5,502)
Exercise of stock options	27	2	25
Exercise of stock options (in shares)	21,794	22,000
Stock-based compensation, net of withholding taxes	782		782
Issuance of restricted stock		150	(150)
Issuance of restricted stock (in shares)		1,496,000
Balance at Aug. 31, 2013	$ 67,046	$ 6,884	$ 107,404	$ (44,151)	$ (3,091)
Balance (in shares) at Aug. 31, 2013	68,812,000	68,812,000