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Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2012
Fair Value Measurements  
Schedule of financial assets at fair value by respective level of the fair value hierarchy

 

 

 

 

Level 1

 

Level 2

 

Level 3

 

Total

 

 

 

(in thousands)

 

Assets:

 

 

 

 

 

 

 

 

 

Cash equivalents

 

$

23,063

 

$

—

 

$

—

 

$

23,063

 

Short-term available for sale securities

 

43

 

—

 

—

 

43

 

Trade accounts receivable

 

1,812

 

—

 

—

 

1,812

 

Accounts receivable

 

—

 

—

 

647

 

647

 

 

 

$

24,918

 

$

—

 

$

647

 

$

25,565