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Acquisitions (Tables)
 6 Months Ended
Jun. 30, 2015
Business Combinations [Abstract]  
Business acquisition, pro forma information
The following table provides certain supplemental statements of operations information on an unaudited pro forma basis as if the Videotel acquisition had occurred on January 1, 2014:
 
Six Months Ended June 30, 2014
Pro forma net revenues
$
89,202

Pro forma net income
$
285

Basic and diluted pro forma net income per share
$
0.02