Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Estimated net costs to be incurred during liquidation
Compensation for remaining employees and directors	$ 250
Compliance and other office costs	354
Insurance Fees	211
Professional Fees	1,018
Income Taxes	150
Subtotal	1,983
Less: interest income on cash and investment balances	(113)
Total net costs to be incurred during liquidation	$ 1,870	$ 2,688