Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2013
State
Operating loss carryforwards
Net operating loss carryforwards	$ 22,819
State | Minimum
Operating loss carryforwards
Expiration period of operating loss carryforwards	9 years
State | Maximum
Operating loss carryforwards
Expiration period of operating loss carryforwards	20 years
Federal
Operating loss carryforwards
Net operating loss carryforwards	$ 4,305
Federal | Minimum
Operating loss carryforwards
Expiration period of operating loss carryforwards	17 years
Federal | Maximum
Operating loss carryforwards
Expiration period of operating loss carryforwards	20 years