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Short Term Debt (Tables)

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Short Term Debt

(in thousands)			September 30, 2012				December 31, 2011
Outstanding UBS short-term credit line		$	394			$	2,000
Outstanding RBC short term margin loan			—				—
Total short-term margin loans		$	394			$	2,000

Short Term Debt Duration

(in thousands)		Three months ended September 30,								Nine months ended September 30,
		2012				2011				2012				2011
Interest expense UBS short-term credit line		$	5			$	13			$	24			$	36
Interest expense RBC short-term margin loan			7				—				15				21
Total interest expense, short term margin loans		$	12			$	13			$	39			$	57