Restructuring Costs - Schedule Of Restructuring Costs (Details) - USD ($)	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Provisions/Additions	$ 15,024			$ 259,078	$ 172,995	$ 1,045,564
Utilized/Paid					(469,247)	(1,004,799)
Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	764,018	$ 981,736	$ 1,028,915		1,028,915	1,306,493	$ 1,306,493
Provisions/Additions	15,024	23,495	134,476				1,135,310	$ 3,606,020
Utilized/Paid	(46,379)	(241,213)	(181,655)				(1,412,888)	(2,299,527)
Ending Balance	732,663	764,018	981,736		732,663		1,028,915	1,306,493
Severance related costs | Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	743,106	848,493	823,426		823,426	1,111,577	1,111,577
Provisions/Additions	0	(3,228)	58,755				365,174	3,179,131
Utilized/Paid	(25,466)	(102,159)	(33,688)				(653,325)	(2,067,554)
Ending Balance	717,640	743,106	848,493		717,640		823,426	1,111,577
Facility and other costs | Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	20,912	133,243	205,489		205,489	$ 194,916	194,916
Provisions/Additions	15,024	26,723	75,721				770,136	426,889
Utilized/Paid	(20,913)	(139,054)	(147,967)				(759,563)	(231,973)
Ending Balance	$ 15,023	$ 20,912	$ 133,243		$ 15,023		$ 205,489	$ 194,916