Note 2 - Significant Accounting Policies	9 Months Ended
Sep. 30, 2022
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 2. Significant Accounting Policies There have been no changes in the Company’s significant accounting policies for the three and nine months ended September 30, 2022, as compared to the significant accounting policies described in its 2021 Annual Report, except as described below. Recent Accounting Pronouncements Recent Accounting Pronouncements Yet to be Adopted To date, there have been no recent accounting pronouncement not yet effective that have significance, or potential significance, to our Consolidated Financial Statements.

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126899994&loc=d3e18726-107790

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI https://asc.fasb.org/topic&trid=2122369

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