Annual report pursuant to Section 13 and 15(d)

Equity Transactions (Schedule Of Assumptions Used In Valuing The Stock Options And Warrants) (Details)

v3.19.1
Equity Transactions (Schedule Of Assumptions Used In Valuing The Stock Options And Warrants) (Details) - Stock Options And Warrants [Member]
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Assumptions - Black Scholes Model:    
Expected dividends
Forfeiture rate
Minimum [Member]    
Assumptions - Black Scholes Model:    
Expected life in years 1 year 1 year
Stock price volatility 138.00% 127.00%
Risk free interest rate 2.12% 1.26%
Maximum [Member]    
Assumptions - Black Scholes Model:    
Expected life in years 5 years 3 years 2 months 8 days
Stock price volatility 153.00% 157.00%
Risk free interest rate 2.90% 1.70%