Leases (Schedule of Supplemental Balance Sheet Information Related to Leases) (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Noncurrent:
Finance lease (Office and other equipment, net of accumulated depreciation and amortization)	$ 2,913	$ 14,564
Operating lease right-of-use assets	470,132	592,065
Total leased assets	473,045	606,629
Current:
Finance lease	1,860	9,299
Noncurrent:
Operating lease	524,248	646,519
Total leased liabilities	$ 526,108	$ 655,818