Note 10 - Amendment to Amended and Restated Certificate of Incorporation

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

10

. Amendment to Amended and Restated Certificate of Incorporation

In

May 2015,

our stockholders approved an amendment to our Amended and

Restated Certificate of Incorporation increasing the authorized number of shares of common stock,

$.01

par value per share, from

48,000,000

shares to

96,000,000

shares.