Note 16 - Subsequent Events	9 Months Ended
Sep. 30, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	Note 16 – Subsequent Events The Company previously maintained a non-contributory defined benefit pension plan which covered substantially all employees who were 21 years of age or older and who had at least one year of service. The Company froze its pension plan to new participants and converted it to a cash balance plan effective December 31, 2009. At the October 18, 2022 meeting of the Board of Directors, the Company approved the termination of its defined benefit pension plan effective December 31, 2022.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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