Restructuring Costs - Schedule Of Restructuring Costs (Details) - USD ($)	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Provisions/Additions	$ 0			$ 15,024	$ 177,389	$ 172,995
Utilized/Paid					(63,714)	(469,247)
Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	850,541	$ 761,800	$ 732,662		732,662	1,028,915	$ 1,028,915	$ 1,306,493
Provisions/Additions	0	93,405	83,984				172,995	1,135,310	$ 3,606,020
Utilized/Paid	(4,204)	(4,664)	(54,846)				(469,248)	(1,412,888)	(2,299,527)
Ending Balance	846,337	850,541	761,800		846,337		732,662	1,028,915	1,306,493
Severance related costs | Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	846,337	757,139	717,640		717,640	823,426	823,426	1,111,577
Provisions/Additions	0	89,198	76,030				55,527	365,174	3,179,131
Utilized/Paid	0	0	(36,531)				(161,313)	(653,325)	(2,067,554)
Ending Balance	846,337	846,337	757,139		846,337		717,640	823,426	1,111,577
Facility and other costs | Restructuring Costs Under the 2013 Plan
Restructuring Reserve [Roll Forward]
Beginning Balance	4,204	4,661	15,022		15,022	$ 205,489	205,489	194,916
Provisions/Additions	0	4,207	7,954				117,468	770,136	426,889
Utilized/Paid	(4,204)	(4,664)	(18,315)				(307,935)	(759,563)	(231,973)
Ending Balance	$ 0	$ 4,204	$ 4,661		$ 0		$ 15,022	$ 205,489	$ 194,916