Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 1)

v2.4.0.6
Fair Value Measurements (Details 1) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Cash [Member]
 
Summary of marketable securities  
Amortized Cost $ 2,335
Gross Unrealized Gain   
Gross Unrealized Loss   
Estimated Fair Value 2,335
Money market securities [Member]
 
Summary of marketable securities  
Amortized Cost 9,027
Gross Unrealized Gain   
Gross Unrealized Loss   
Estimated Fair Value 9,027
Cash and cash equivalents [Member]
 
Summary of marketable securities  
Amortized Cost 11,362
Gross Unrealized Gain   
Gross Unrealized Loss   
Estimated Fair Value 11,362
Money market securities [Member]
 
Summary of marketable securities  
Amortized Cost 314
Gross Unrealized Gain   
Gross Unrealized Loss   
Estimated Fair Value 314
Restricted cash [Member]
 
Summary of marketable securities  
Amortized Cost 314
Gross Unrealized Gain   
Gross Unrealized Loss   
Estimated Fair Value 314
Corporate bonds and commercial paper [Member]
 
Summary of marketable securities  
Amortized Cost 73,697
Gross Unrealized Gain 15
Gross Unrealized Loss (1)
Estimated Fair Value 73,711
Short-term investments [Member]
 
Summary of marketable securities  
Amortized Cost 73,697
Gross Unrealized Gain 15
Gross Unrealized Loss (1)
Estimated Fair Value $ 73,711