Schedule of Segment Reporting Information, by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Revenues from external customers	$ 1,932	$ 3,831	$ 3,524	$ 6,865
Earnings from equity accounted asset liquidation investments	7	158	809	1,227
Other income (expenses)	0	(317)	0	(307)
Interest expense	174	48	269	104
Depreciation and amortization	119	8	240	11
Segment income (loss)	(1,281)	(701)	(2,281)	49
Asset liquidation investments	2,803		2,803		3,618
Segment assets	58,060	56,020	58,060	56,020	61,310
Asset Liquidation Segment [Member]
Revenues from external customers	1,932	3,831	3,324	6,865
Earnings from equity accounted asset liquidation investments	7	158	809	1,227
Other income (expenses)	0	(318)	0	(308)
Interest expense	174	48	269	104
Depreciation and amortization	119	8	240	11
Segment income (loss)	(932)	(160)	(1,519)	1,065
Asset liquidation investments	2,803	1,677	2,803	1,677
Segment assets	$ 25,126	$ 20,472	$ 25,126	$ 20,472