Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2014
Operating loss carryforwards
Accrual for uncertain income tax positions	0
State
Operating loss carryforwards
Net operating loss carryforwards	20,437
State | Minimum
Operating loss carryforwards
Expiration period of operating loss carryforwards	8 years
State | Maximum
Operating loss carryforwards
Expiration period of operating loss carryforwards	20 years
Federal
Operating loss carryforwards
Net operating loss carryforwards	9,019
Federal | Minimum
Operating loss carryforwards
Expiration period of operating loss carryforwards	16 years
Federal | Maximum
Operating loss carryforwards
Expiration period of operating loss carryforwards	20 years