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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS
FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS
The following tables present the Company’s financial instruments that are measured at fair value on a recurring basis:
 
December 31, 2017
 
Quoted market
prices in active
markets for
identical assets
(level 1)
 
Significant
other
observable
inputs
(level 2)
 
Significant
unobservable
inputs
(level 3)
 
Total
fair value
measurements
 
(In thousands)
Assets:
 
 
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
 
 
Money market funds
$
189,207

 
$

 
$

 
$
189,207

Treasury discount notes
500

 

 

 
500

Certificates of deposit

 
6,195

 

 
6,195

Total
$
189,707

 
$
6,195

 
$

 
$
195,902

 
December 31, 2016
 
Quoted market prices in active markets for identical assets
(level 1)
 
Significant
other
observable
inputs
(level 2)
 
Significant
unobservable
inputs
(level 3)
 
Total
fair value
measurements
 
(In thousands)
Assets:
 
 
 
 
 
 
 
Cash equivalents:
 
 
 
 
 
 
 
Money market funds
$
28,064

 
$

 
$

 
$
28,064

Total
$
28,064

 
$

 
$

 
$
28,064


Financial instruments measured at fair value only for disclosure purposes
The following table presents the carrying value and the fair value of financial instruments measured at fair value only for disclosure purposes:
 
December 31, 2017
 
December 31, 2016
 
Carrying value
 
Fair value
 
Carrying value
 
Fair value
 
(In thousands)
Current portion of long term debt
$
(13,750
)
 
$
(13,802
)
 
$

 
$

Long-term debt, net
(258,312
)
 
(262,230
)
 

 

Current portion of long-term debt—related party
(816
)
 
(837
)
 
(2,838
)
 
(2,776
)
Long-term debt—related party, net
(1,997
)
 
(2,048
)
 
(47,000
)
 
(46,324
)

The fair value of long-term debt, including the current portion, is estimated using market prices or indices for similar liabilities and taking into consideration other factors such as credit quality and maturity, which are Level 3 inputs. The fair value of long-term debt—related party, including the current portion, is based on Level 3 inputs and is estimated by discounting the future cash flows based on current market conditions.