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Note 3 - Significant Accounting Policies and Recent Accounting Pronouncements	3 Months Ended
	Mar. 31, 2021
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, 2020 those accounting policies that we consider significant in determining our results of operations and financial position. During the three months ended March 31, 2021, there have been no material changes to, or in the application of, the accounting policies previously identified and described in the Form 10 -K, and there have been no other recent accounting pronouncements or changes in accounting pronouncements which we expect to have a material impact on our financial statements.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

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