Restructuring Costs - Schedule of Restructuring Costs (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Payment of restructuring costs	$ 2,300,005	$ 770,271	$ 702,276
Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring, Settlement and Impairment Provisions	3,606,020
Payment of restructuring costs	2,299,527
Ending Balance	1,306,493
Restructuring Costs Under the 2011 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance		120,044
Restructuring, Settlement and Impairment Provisions		0
Payment of restructuring costs		120,044
Ending Balance		0
Severance related costs | Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring, Settlement and Impairment Provisions	3,179,131
Payment of restructuring costs	2,067,554
Ending Balance	1,111,577
Severance related costs | Restructuring Costs Under the 2012 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	478	0
Restructuring, Settlement and Impairment Provisions	0	770,749
Payment of restructuring costs	478	770,271
Ending Balance	0	478
Severance related costs | Restructuring Costs Under the 2011 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance		94,844
Restructuring, Settlement and Impairment Provisions		0
Payment of restructuring costs		94,844
Ending Balance		0
Facility and other costs | Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring, Settlement and Impairment Provisions	426,889
Payment of restructuring costs	231,973
Ending Balance	194,916
Facility and other costs | Restructuring Costs Under the 2011 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance		25,200
Restructuring, Settlement and Impairment Provisions		0
Payment of restructuring costs		25,200
Ending Balance		$ 0