Note 9 - Income Taxes

6 Months Ended

Jun. 30, 2018

Notes to Financial Statements

Income Tax Disclosure [Text Block]

9 . INCOME TAXES

The Company uses a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. The Company’s effective tax rate for

2018

and

2017

reflects the recognition of expected federal alternative minimum tax liabilities and interim period tax benefits and changes to its tax valuation allowance. In

2017,

the Company fully utilized the special alternative minimum tax net operating loss carryforward from

2008

which allows for

100%

offset to the alternative minimum taxable income in subsequent years.