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Note 11 - Commitments and Contingencies | 9 Months Ended
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Sep. 30, 2019
Notes to Financial Statements |
Commitments and Contingencies Disclosure [Text Block] | 11. Commitments and Contingencies Legal Proceedings and Claims We are and expect to continue to be subject to legal actions, proceedings and claims that arise in the normal course of our business. In the opinion of management, the amount of ultimate liability, if any, with respect to these actions, proceedings and claims will not materially affect our financial position, results of operations or cash flows, although legal proceedings are subject to inherent uncertainties, and unfavorable rulings or events could have a material adverse impact on our financial position, results of operations or cash flows.

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