Note 11 - Income Taxes

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Income Tax Disclosure [Text Block]

Note 

11

— Income Taxes

Due to our cumulative loss position, we have established a full valuation allowance against our deferred tax assets at

September 30, 2019

and

December 31, 2018

. Due to our full valuation allowance, we have

not

recorded a provision for federal or state income taxes during each of the

three

and

nine

months ended

September 30, 2019

and

2018

.