Summary of Significant Accounting Policies (Summary of Property, Plant and Equipment) (Details) - USD ($)	Jun. 30, 2018		Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Total cost	$ 8,290,147		$ 8,399,946
Accumulated depreciation	(4,815,812)		(4,896,042)
Net property and equipent	3,474,335	[1]	3,503,904
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Total cost	567,291		794,959
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total cost	427,453		425,825
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Total cost	3,453,042		3,404,975
Home Office [Member]
Property, Plant and Equipment [Line Items]
Total cost	$ 3,842,361		$ 3,774,187

[1] As restated