Restructuring Costs - Schedule of Restructuring Costs (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1,300,000	$ 1,135,310	$ 3,606,020	$ 770,749
Restructuring Reserve [Roll Forward]
Utilized/Paid		(1,199,473)	(2,274,716)	(770,271)
Restructuring Costs Under the 2013 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs		1,135,310	3,606,020
Restructuring Reserve [Roll Forward]
Beginning Balance		1,306,493
Utilized/Paid		(1,412,888)	(2,299,527)
Ending Balance	1,306,493	1,028,915	1,306,493
Severance related costs | Restructuring Costs Under the 2013 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs		365,174	3,179,131
Restructuring Reserve [Roll Forward]
Beginning Balance		1,111,577
Utilized/Paid		(653,325)	(2,067,554)
Ending Balance	1,111,577	823,426	1,111,577
Facility and other costs | Restructuring Costs Under the 2013 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs		770,136	426,889
Restructuring Reserve [Roll Forward]
Beginning Balance		194,916
Utilized/Paid		(759,563)	(231,973)
Ending Balance	$ 194,916	$ 205,489	$ 194,916