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Shareholders' Equity and Debt - Shareholders' Equity (Details) - USD ($)		1 Months Ended	3 Months Ended				6 Months Ended
	Dec. 27, 2021	Nov. 30, 2017	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jan. 31, 2016	May 13, 2010
Shareholders' Equity (Textual) [Abstract]
Repurchase of shares, value			$ (196,692)	$ (566,043)	$ (484,965)	$ (303,088)
Shelf Registration, sale of corporate securities (up to)	$ 19,000,000	$ 100,000,000
Restricted Stock
Shareholders' Equity (Textual) [Abstract]
Restricted stock granted in period, shares							65,225	36,850
Share-based compensation credit			$ 100,000
Incentive Stock Options
Shareholders' Equity (Textual) [Abstract]
Restricted stock granted in period, shares							169,800	173,350
Director | Restricted Stock
Shareholders' Equity (Textual) [Abstract]
Restricted stock awards, vesting period							1 year
Common stock
Shareholders' Equity (Textual) [Abstract]
Repurchase outstanding common shares									$ 10,000,000	$ 10,000,000
Repurchase of shares (in shares)			83,317	174,149	158,405	91,724	257,466	250,129
Repurchase of shares, value			$ (196,692)	$ (566,043)	$ (484,965)	$ (303,088)	$ (800,000)
Common shares left to repurchase			$ 4,000,000				$ 4,000,000

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Shareholders Equity.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Topic 505
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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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