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Consolidated Balance Sheets (Parenthetical) - shares	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Common stock, shares authorized	7,000,000	7,000,000
Common stock, shares issued	3,010,457	3,171,536
Common stock, shares outstanding	3,010,457	3,171,536
Common stock, unvested shares	219,459	211,575
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0

X

- Definition

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

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X

- 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.

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

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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