Summary of Significant Accounting Policies (Summary of Property, Plant and Equipment) (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total cost	$ 8,717,237	$ 8,653,054
Accumulated depreciation	(5,715,991)	(5,619,706)
Net property and equipment	3,001,246	3,033,348
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Total cost	521,010	505,788
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total cost	471,215	457,218
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Total cost	3,855,126	3,823,416
Home Office [Member]
Property, Plant and Equipment [Line Items]
Total cost	$ 3,869,886	$ 3,866,632