Financial Services (Schedule of Assets and Liabilities) (Details) (USD $)	Aug. 31, 2012		Dec. 31, 2011	Nov. 30, 2011
Assets
Cash and cash equivalents	$ 2,732,000			$ 3,024,000
Receivables	1,344,000	[1]		25,495,000	[1]
Investment in unconsolidated joint venture	1,647,000			3,639,000
Other assets	57,000			15,000
Total assets	5,780,000			32,173,000
Liabilities
Accounts payable and accrued expenses	3,269,000			7,494,000
Total liabilities	3,269,000			7,494,000
Receivable from wind down of KBA Mortgage			$ 23,500,000

[1] In December 2011, the Company collected a $23.5 million receivable established in the fourth quarter of 2011 in connection with the wind down of KBA Mortgage’s business operations.