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Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2016
Fair Value Disclosures [Abstract]  
Schedule of Company's Financial Assets and (Liabilities) at Fair Value on Recurring Basis
The following table summarizes the basis used to measure the Company’s financial assets at fair value on a recurring basis in the balance sheets at March 31, 2016 and December 31, 2015:
 
 
Basis of Fair Value Measurements
 
Balance at 
 March 31, 2016
 
Level 1
 
Level 2
 
Level 3
Money market investment
$
31,161

 
$
31,161

 
$
—

 
$
—

Available for sale securities
5,047

 
5,047

 
—

 
—

Contingent consideration
(1,000
)
 
—

 
—

 
(1,000
)
 
 
Basis of Fair Value Measurements
 
Balance at 
 December 31, 2015
 
Level 1
 
Level 2
 
Level 3
Money market investment
$
21,931

 
$
21,931

 
$
—

 
$
—

Available for sale securities
4,794

 
4,794

 
—

 
—

Contingent consideration
(4,705
)
 
—

 
—

 
(4,705
)