Consolidated Balance Sheet (Current Period Unaudited) (Parentheticals) - shares	Sep. 30, 2022	Dec. 31, 2021
Common Class A [Member]
Common stock, sharse authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	2,791,449	2,720,787
Treasury shares, issued (in shares)	47,210	41,844
Common Class B [Member]
Common stock, sharse authorized (in shares)	2,500,000	2,500,000
Common stock, shares issued (in shares)	914,283	914,283
Treasury shares, issued (in shares)	182,435	182,435

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

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29,30)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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