XML 14 R25.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2012
Fair Value Measurements [Abstract]  
Assets measured at fair value on recurring basis
To estimate the fair value of its marketable securities, the Company obtains current market pricing from quoted market sources or uses pricing for identical securities. Assets measured at fair value on a recurring basis are summarized below.


 
 
 
Quoted Prices in Active Markets for Identical Assets
(Level 1)
  
Significant Other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
  
September 30,
2012
 
 
 
(in thousands)
 
Equity securities  
 
$
46
  
$
--
  
$
--
  
$
46
 
U.S. Treasury securities
 
$
6,738
  
$
--
  
$
--
  
$
6,738
 



 
 
Quoted Prices in Active Markets for Identical Assets
(Level 1)
  
Significant Other Observable Inputs
(Level 2)
  
Significant Unobservable Inputs
(Level 3)
  
December 31, 2011
 
 
 
(in thousands)
 
Equity securities  
 
$
40
  
$
--
  
$
--
  
$
40
 
U.S. Treasury securities
 
$
10,087
  
$
--
  
$
--
  
$
10,087