Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 2)

v2.4.0.6
Fair Value Measurements (Details 2) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Cash [Member]
 
Summary of marketable securities  
Amortized Cost $ 2,612
Gross Unrealized Gains   
Gross Unrealized Losses   
Estimated Fair Value 2,612
Money market securities [Member]
 
Summary of marketable securities  
Amortized Cost 16,016
Gross Unrealized Gains   
Gross Unrealized Losses   
Estimated Fair Value 16,016
Total cash and cash equivalents [Member]
 
Summary of marketable securities  
Amortized Cost 18,628
Gross Unrealized Gains   
Gross Unrealized Losses   
Estimated Fair Value 18,628
Money market securities [Member]
 
Summary of marketable securities  
Amortized Cost 314
Gross Unrealized Gains   
Gross Unrealized Losses   
Estimated Fair Value 314
Total restricted cash [Member]
 
Summary of marketable securities  
Amortized Cost 314
Gross Unrealized Gains   
Gross Unrealized Losses   
Estimated Fair Value 314
Corporate bonds and commercial paper [Member]
 
Summary of marketable securities  
Amortized Cost 45,971
Gross Unrealized Gains 1
Gross Unrealized Losses (11)
Estimated Fair Value 45,961
Total short-term investments [Member]
 
Summary of marketable securities  
Amortized Cost 45,971
Gross Unrealized Gains 1
Gross Unrealized Losses (11)
Estimated Fair Value $ 45,961