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Related-Party Transactions
3 Months Ended
Mar. 31, 2018
Related Party Transactions [Abstract]  
Related-Party Transactions
Related-Party Transactions
During the three months ended March 31, 2018 and 2017, two and four members, respectively, of the Company’s Board of Directors also served on the boards of directors of RPX clients.

The Company recognized the following from these clients (in millions):
 
Three Months Ended March 31,
 
2018
 
2017
Revenue
$
0.6

 
$
2.0

Selling, general and administrative expenses
$
0.1

 
$
0.2


As of March 31, 2018 and December 31, 2017, there were $3.0 million and $1.5 million receivables, respectively, from these clients.