Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 01, 2012
State
Operating loss carryforwards
Net operating loss carryforwards	19,023
State | Minimum
Operating loss carryforwards
Expiration period of operating loss carryforwards	10 years
State | Maximum
Operating loss carryforwards
Expiration period of operating loss carryforwards	20 years
Federal
Operating loss carryforwards
Net operating loss carryforwards	1,491
Expiration period of operating loss carryforwards	19 years