Note 10 - Per Share Data

3 Months Ended

Mar. 31, 2018

Notes to Financial Statements

Earnings Per Share [Text Block]

NOTE

10

 - PER SHARE DATA

The computation of basic earnings (loss) per share of common stock is based on the weighted average number of shares outstanding during the year. The computation of diluted earnings per common share is based on the weighted average number of shares outstanding during the year plus the common stock equivalents that would arise from the exercise of stock options and warrants outstanding under the treasury method and the average market price per share during the year as well as the conversion of notes. At

March 31, 2018,

the weighted average shares outstanding excluded options to purchase

59,825,123

shares of common stock of the Company, warrants to purchase

18,313,373

shares of common stock of the Company and

94,651,255,

shares of common stock of the Company issuable upon the conversion of notes because their effect would be anti-dilutive. At

March 31, 2017,

the weighted average shares outstanding excluded options to purchase

20,540,769

shares of common stock of the Company, warrants to purchase

3,744,623

shares of common stock of the Company and

40,677,826

shares of common stock of the Company issuable upon the conversion of notes payable because their effect would be anti-dilutive.