Summary of Significant Accounting Policies (Schedule of Trade Accounts Payable and Other Current Liabilities) (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Other Current Liabilities
Trade accounts payable	$ 33,939	$ 86,706
Payroll and related expenses	18,343	49,937
Operating lease liabilities	57,883
Patent monetization expenses	112,334	124,422
Deferred revenue	25,341	25,341
Professional and other service fees	122,457	94,279
Total trade accounts payable and other current liabilities	$ 370,297	$ 380,685