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Restructuring - Narrative (Details) - USD ($)
12 Months Ended
Jun. 30, 2016
Dec. 31, 2014
Jun. 30, 2014
Jun. 30, 2015
Dec. 31, 2013
Nov. 01, 2013
Restructuring Cost and Reserve [Line Items]            
Restructuring Reserve           $ 1,332,186
Accrued liability for restructuring costs            
Restructuring Cost and Reserve [Line Items]            
Restructuring Reserve   $ 955,821   $ 0 $ 955,821  
Restructuring Charges            
Restructuring Cost and Reserve [Line Items]            
Non-cash stock-based compensation expense $ 0   $ 376,365      
Restructuring Charges | Stock Compensation, Restructuring            
Restructuring Cost and Reserve [Line Items]            
Non-cash stock-based compensation expense   $ 376,365