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Note 9 - Stock-based Compensation
9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
(
9
)
Stock-Based Compensation
 
During the
nine
months ended
September 30, 2018,
the Company granted
754,750
options under a long-term incentive program. These awards vest on the
third
anniversary of the grant date. The options have a
five
-year term and cliff vest at
three
years of service. The grants did
not
have a significant impact on the Company’s consolidated financial statements during the
three
and
nine
months ended
September 30, 2018.