Note 9 - Income Taxes

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Income Tax Disclosure [Text Block]

9.       Income Taxes

Provision for Income Tax

For interim periods, the Company estimates its annual effective income tax rate and applies the estimated rate to the year-to-date income or loss before income taxes. The Company also computes the tax provision or benefit related to items reported separately and recognizes the items net of their related tax effect in the interim periods in which they occur. The Company also recognizes the effect of changes in enacted tax laws or rates in the interim periods in which the changes occur.

The Company’s effective tax rate is 0% for the three months ended March 31, 2016 and 2015. The Company expects that its effective tax rate for the full year 2016 will be 0%.