Schedule of Segment Reporting Information, by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Revenues from external customers	$ 2,265	$ 3,052	$ 5,589	$ 9,917
Earnings from equity accounted asset liquidation investments	456	222	1,265	1,449
Other income (expenses)	0	8	0	(299)
Interest expense	39	71	308	175
Depreciation and amortization	118	272	358	283
Segment income (loss)	104	(1,627)	(2,177)	(1,578)
Segment assets	57,687	60,932	57,687	60,932	61,310
Asset Liquidation Segment [Member]
Revenues from external customers	2,265	3,052	5,589	9,917
Earnings from equity accounted asset liquidation investments	456	222	1,265	1,449
Other income (expenses)	0	7	0	(301)
Interest expense	39	70	308	174
Depreciation and amortization	118	272	358	283
Segment income (loss)	(112)	(311)	(1,631)	755
Investment in equity accounted asset liquidation investees	3,574	1,773	3,574	1,773
Segment assets	$ 24,685	$ 27,349	$ 24,685	$ 27,349