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Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized	1,000,000	1,000,000
Preferred stock, issued
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, authorized	100,000,000	100,000,000
Common stock, outstanding	31,652,038	31,608,588
Treasury stock	9,864,805	9,864,805

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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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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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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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.

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