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Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2013
Fair Value of Financial Instruments [Abstract]  
Fair value of cash equivalents
The fair value of our cash equivalents was determined using the following inputs as of March 31, 2013 and December 31, 2012 (in thousands):
 
March 31, 2013
 
 
Fair Value Measurements at Reporting Date Using
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
Total
 
Money-market funds
 
$
3,092
 
 
$
-
 
 
$
-
 
 
$
3,092
 
Total
 
$
3,092
 
 
$
-
 
 
$
-
 
 
$
3,092
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2012
 
 
Fair Value Measurements at Reporting Date Using
 
 
Level 1
 
 
Level 2
 
 
Level 3
 
 
Total
 
Money-market funds
 
$
3,092
 
 
$
-
 
 
$
-
 
 
$
3,092
 
Total
 
$
3,092
 
 
$
-
 
 
$
-
 
 
$
3,092