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CONDENSED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2021	Dec. 31, 2020
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Common stock, par value (in dollars per share)	$ 0	$ 0
Common Stock, authorized shares	100,000,000	100,000,000
Common Stock, outstanding shares	33,764,283	33,957,204
Preferred Class B
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Series II, Class B
Preferred Stock, outstanding shares	156,200	156,200
Series III Class B
Preferred Stock, outstanding shares	80,245	106,745

X

- Definition

Face amount or stated value per share of common stock.

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

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

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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