Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stockholders' Equity - Fair Value Assumptions for Stock Options (Details)

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Note 4 - Stockholders' Equity - Fair Value Assumptions for Stock Options (Details)
3 Months Ended
Mar. 31, 2019
Annual dividend
Expected volatility 97.00%
Minimum [Member]  
Expected life (Year) 5 years 146 days
Risk free interest rate 2.40%
Expected volatility
Maximum [Member]  
Expected life (Year) 5 years 182 days
Risk free interest rate 2.50%
Expected volatility