CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Treasury Stock	Total
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 loss			(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
Increase (Decrease) in Stockholders' Equity
Net loss and comprehensive loss			(27,716)		(27,716)
Stock-based compensation, net of withholding taxes		941			941
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
Embedded conversion feature net of taxes		2,109			2,109
Stock repurchase				(227)	(227)
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
Increase (Decrease) in Stockholders' Equity
Net loss and comprehensive loss			(32,328)		$ (32,328)
Stock-based compensation, net of withholding taxes		1,175			1,175
Issuance of restricted common stock	$ 110	(110)
Issuance of restricted common stock (in shares)	1,095,000
Excess tax benefit on stock-based compensation		1,296			1,296
Stock repurchase				(117)	(117)
Balance at Nov. 30, 2015	$ 7,094	$ 113,371	$ (106,007)	$ (3,435)	$ 11,023
Balance (in shares) at Nov. 30, 2015	70,917,000				70,917,000