Convertible Promissory Notes Payable (Schedule Of Rollfoward Of Convertible Promissory Notes Payable) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Debt Instrument [Line Items]
Convertible promissory notes payable, December 31, 2019	$ 4,639,628
Repayment for cash	(10,000)	$ (22,500)
Amortization of debt discount	101,686	$ 178,175
Convertible promissory notes payable, March 31, 2020	4,728,833
Convertible Promissory Notes Payable
Debt Instrument [Line Items]
Convertible promissory notes payable, December 31, 2019	4,639,628
Issued for cash	250,000
Repayment for cash	(10,000)
Conversion to common stock	(107,000)
Debt discount related to new convertible promissory notes	(145,481)
Amortization of debt discount	101,686
Convertible promissory notes payable, March 31, 2020	$ 4,728,833