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Fair Value Measurement (Tables)
12 Months Ended
Dec. 31, 2013
Fair Value Measurement [Abstract]  
Schedule of assets and liabilities measured at fair value on a recurring basis
 
     
Fair Value Measurements at Reporting Date Using
 
   
December 31,
2013
   
Quoted Prices in
Active Markets for
Identical Assets/
Liabilities
(Level 1)
   
Significant
Other
Observable
Inputs
(Level 2)
   
Significant
Unobservable
Inputs
(Level 3)
 
Assets:
               
Cash equivalents:
               
Money market funds
  $ 8,382     $ 8,382     $     $  
Interest rate swaps
    45             45        
Total assets at fair value on a recurring basis
  $ 8,427     $ 8,382     $ 45     $  
Liabilities:
                               
Other liabilities:
                               
Deferred payments
  $ 2,115     $     $     $ 2,115  
Total liabilities at fair value on a recurring basis
  $ 2,115     $     $     $ 2,115  
 
 
 
 
 
 
 
Fair Value Measurements at Reporting Date Using
 
 
 
December 31,
2012
 
 
Quoted Prices in
Active Markets for
Identical Assets/
Liabilities
(Level 1)
 
 
Significant
Other
Observable
Inputs
(Level 2)
 
 
Significant
Unobservable
Inputs
(Level 3)
 
Assets:
 
 
 
 
 
 
 
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
 
 
 
 
 
 
 
Money market funds
 
$
1,380
 
 
$
1,380
 
 
$
 
 
$
 
Total assets at fair value on a recurring basis
 
$
1,380
 
 
$
1,380
 
 
$
 
 
$
 
Liabilities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Other liabilities:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest rate swaps
 
$
1,211
 
 
$
 
 
$
1, 211
 
 
$
 
Deferred payments
 
 
2,119
 
 
 
 
 
 
 
 
 
2,119
 
Total liabilities at fair value on a recurring basis
 
$
3,330
 
 
$
 
 
$
1, 211
 
 
$
2,119
 
 
Schedule of changes in fair value of level 3 liability
 
 
Deferred
Payments
 
Balance at December 31, 2012
 
$
2,119
 
Amounts earned
 
 
(311
)
Adjustments to fair value
 
 
307
 
Transfers in or out of Level 3
 
 
 
Balance at December 31, 2013
 
$
2,115