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Note 3 - Significant Accounting Policies and Recent Accounting Pronouncements	9 Months Ended
	Sep. 30, 2017
Notes to Financial Statements
Significant Accounting Policies [Text Block]	3 . Significant Accounting Policies and Recent Accounting Pronouncements We disclosed in Note 2 to our consolidated financial statements included in our Annual Report on Form 10 -K for the year ended December 31, 2016 those accounting policies that we consider significant in determining our results of operations and financial position. There have been no material changes to, or in the application of, the accounting policies previously identified and described in the Form 10 -K. In March 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update 2016 - 09, Improvements to Employee Share-Based Payment Accounting (“ASU 2016 - 09” ), which amends Accounting Standards Codification Topic 718, Compensation – Stock Compensation. ASU 2016 - 09 is an attempt to simplify several aspects of the accounting for stock-based payment transactions, including the income tax consequences, classification of awards as either equity or liabilities, and classification on the statement of cash flows. We adopted ASU 2016 - 09 effective January  1, 2017; such adoption had no material impact on our financial statements. In May 2017, the FASB issued Accounting Standards Update 2017 - 09, Scope of Modification Accounting (“ASU 2017 - 09” ), which amends Accounting Standards Codification Topic 718, Compensation – Stock Compensation. ASU 2017 - 09 is an attempt to provide clarity and reduce both ( 1 ) diversity in practice and ( 2 ) cost and complexity when applying the guidance in Topic 718 Compensation – Stock Compensation, to a change to the terms or conditions of a share-based payment award. ASU 2017 - 09 is effective for the Company beginning January  1, 2018. We are currently evaluating the impact of the adoption of ASU 2017 - 09 on our financial statements. In July 2017, the FASB issued Accounting Standards Update 2017 - 11, (Part I) Accounting for Certain Financial Instruments with Down Round Features, (Part II) Replacement of the Indefinite Deferral for Mandatorily Redeemable Financial Instruments of Certain Nonpublic Entities and Certain Mandatorily Redeemable Noncontrolling Interests with a Scope Exception (“ASU 2017 - 11” ), which amends Accounting Standards Codification Topic 260, Earnings Per Share, Topic 480, Distinguishing Liabilities from Equity, and Topic 815, Derivatives and Hedging. ASU 2017 - 11 changes the classification of certain equity-linked financial instruments (or embedded features) with down round features, and clarifies existing disclosure requirements for equity-classified instruments. ASU 2017 - 11 is effective for the Company beginning January  1, 2019. We are currently evaluating the impact of the adoption of ASU 2017 - 11 on our financial statements. T here have been no other recent accounting pronouncements or changes in accounting pronouncements during the nine months ended September 30, 2017, as compared to the recent accounting pronouncements described in our Annual Report on Form 10 -K for the fiscal year ended December 31, 2016, which we expect to have a material impact on our financial statements.

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- Definition

The entire disclosure for all significant accounting policies of the reporting entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

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