v2.4.0.8
Cash and Cash Equivalents, Short-term Investments and Fair Value of Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2013
Cash and Cash Equivalents [Abstract]  
Schedule of Cash, Cash Equivalents and Short-term Investments [Table Text Block]
Cash and cash equivalents consist of the following significant investment asset classes, with disclosure of amortized cost, gross unrealized gains and losses and fair value as of September 30, 2013 and December 31, 2012 (in thousands):

 
September 30, 2013
 
 
Amortized
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair Value
 
Cash / Cash
Equivalents
 
Security
Classification
Cash
$
51,415

 
$

 
$

 
$
51,415

 
$
51,415

 
N/A
Money market fund
64,775

 

 

 
64,775

 
64,775

 
Available for sale
Total cash and cash equivalents
$
116,190

 
$

 
$

 
$
116,190

 
$
116,190

 
 

c
December 31, 2012
 
 
Amortized
Cost
 
Unrealized
Gains
 
Unrealized
Losses
 
Fair Value
 
Cash / Cash
Equivalents
 
Security
Classification
Cash
$
23,422

 
$

 
$

 
$
23,422

 
$
23,422

 
N/A
Money market fund
38,892

 

 
1

 
38,891

 
38,891

 
Available for sale
Total cash and cash equivalents
$
62,314

 
$

 
$
1

 
$
62,313

 
$
62,313

 
 
 
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
 
Quoted Prices in Active
Markets for Identical
Instruments
 (Level 1)
 
Significant Other
 Observable Inputs
 (Level 2)
 
Significant
 Unobservable
Inputs
(Level 3)
 
Total Fair
Value
At September 30, 2013
 

 
 

 
 

 
 

Money market fund
$
64,775

 
$

 
$

 
$
64,775

Total
$
64,775

 
$

 
$

 
$
64,775

At December 31, 2012
 

 
 

 
 

 
 

Money market fund
$
38,891

 
$

 
$

 
$
38,891

Total
$
38,891

 
$

 
$

 
$
38,891