Lease Obligations (Narrative) (Details)	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) ft²	Aug. 31, 2016 USD ($) ft²	Sep. 30, 2013 USD ($) ft²
Rent expense	$ 1,187,989	$ 1,205,338
Sublease income	$ 91,579	18,912
Lease renewal term	3 years
Accrued costs of rent liability	$ 965,412	$ 1,361,379
Unimproved [Member]
Square feet of leased space | ft²				13,000
Accrued lease termination costs remaining	181,601
Accrued costs of rent liability				$ 515,138
Office [Member]
Square feet of leased space | ft²		3,152
Office Sublease [Member]
Square feet of leased space | ft²			11,000
Accrued lease termination costs remaining	$ 21,286
Accrued costs of rent liability			$ 40,972
Sublease expiration date	Dec. 31, 2018
Office Sublease, January 2017 [Member]
Square feet of leased space | ft²			16,000