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Consolidated Balance Sheets (Current Period Unaudited)-parentheticals (Parentheticals) - $ / shares $ / shares in Thousands	Sep. 30, 2022	Dec. 31, 2021
Common Stock, No Par Value (in dollars per share)	$ 0	$ 0
Common Stock, Shares Authorized (in shares)	35,000,000	35,000,000
Common Stock, Shares, Outstanding, Ending Balance (in shares)	26,094,865	26,103,661
Treasury Stock, Shares, Total (in shares)	953,931	945,135

X

- Definition

Face amount per share of no-par value common stock.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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-SubTopic 10
-Section S99
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