Reconciliation Of Reported Segment Information From Segments To Consolidated Financial Statement Items (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2013		Dec. 31, 2012
Asset liquidation revenue		$ 8,068		$ 14,128
Intellectual property licensing revenue	200	824		0
Total revenue		8,892		14,128
Other income		0		64
Interest Expense, Related Party		168		0
Interest expense		388		290
Total interest expense		556		290
Depreciation and amortization		472		407
Segment income (loss)		(3,493)		(2,679)
Income tax (expense) recovery		(3,029)		978
Net income (loss) from continuing operations		(6,396)		(1,813)
Segment assets		49,995		61,310
Reportable Segments [Member]
Asset liquidation revenue		8,068		14,128
Other income		0		63
Interest expense		388		289
Depreciation and amortization		472		407
Segment income (loss)		(2,404)		92
Segment assets		20,399		27,752
Unallocated Amount to Segment [Member]
Intellectual property licensing revenue		824		0
Other income		0		1
Interest Expense, Related Party		168		0
Interest expense		0		1
Depreciation and amortization		0		0
Other income (expense) and earnings (loss) of other equity accounted investments		126		(111)
Other corporate expenses (primarily corporate level interest, general and administrative expenses)		(1,913)		(2,772)
Income tax (expense) recovery		(3,029)		978
Segment assets		$ 29,596	[1]	$ 33,558	[1]

[1] Other assets not allocated to segments are corporate assets such as cash, non-trade accounts receivable, prepaid insurance, investments and deferred income tax assets.