CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock	Total
Balance at Nov. 30, 2011	$ 6,550	$ 105,512	$ (44,214)	$ (3,091)	$ 64,757
Balance (in shares) at Nov. 30, 2011	65,477,000
Increase (Decrease) in Stockholders' Equity
Net loss and comprehensive income			5,565		5,565
Stock-based compensation, net of withholding taxes		1,423			1,423
Exercise of stock options	2	18			20
Exercise of stock options (in shares)	20,000				20,000
Issuance of restricted common stock	180	(180)
Issuance of restricted common stock (in shares)	1,797,000
Excess tax benefit on stock-based compensation		(26)			(26)
Balance at Nov. 30, 2012	6,732	106,747	(38,649)	(3,091)	71,739
Balance (in shares) at Nov. 30, 2012	67,294,000
Increase (Decrease) in Stockholders' Equity
Net loss and comprehensive income			(7,314)		(7,314)
Stock-based compensation, net of withholding taxes		1,127			1,127
Exercise of stock options	2	25			27
Exercise of stock options (in shares)	22,000				21,794
Issuance of restricted common stock	156	(156)
Issuance of restricted common stock (in shares)	1,562,000
Excess tax benefit on stock-based compensation		190			190
Balance at Nov. 30, 2013	6,890	107,933	(45,963)	(3,091)	65,769
Balance (in shares) at Nov. 30, 2013	68,878,000				68,878,000
Increase (Decrease) in Stockholders' Equity
Net loss and comprehensive income			(27,716)		(27,716)
Stock-based compensation, net of withholding taxes		941			941
Embedded conversion feature net of taxes		2,109			2,109
Exercise of stock options				(227)	(227)
Issuance of restricted common stock	94	(94)
Issuance of restricted common stock (in shares)	944,000
Excess tax benefit on stock-based compensation		121			121
Balance at Nov. 30, 2014	$ 6,984	$ 111,010	$ (73,679)	$ (3,318)	$ 40,997
Balance (in shares) at Nov. 30, 2014	69,822,000				69,822,000