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Restructuring Costs (Tables)
 3 Months Ended
Mar. 31, 2018
Restructuring and Related Activities [Abstract]  
Schedule Of Restructuring Costs
The following table summarizes the activity during 2017 related to restructuring liabilities recorded in connection with the 2013 Plan:

 
 
Severance related costs
Balance at December 31, 2017
 
$
648,399

Additions (Reductions)
 
(173,263
)
Utilized/Paid
 
(13,774
)
Balance at March 31, 2018
 
$
461,362