Amount of deferred tax benefit attributable to unrecognized share-based compensation.

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The number of shares subject to option or award in a single fiscal year as outlined in the plan contract.

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The percentage of the total number of shares subject to options or awards granted in a single fiscal year; this will take effect only if the percentage is less than a specified amount in the plan contract.

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

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Aggregate dividends paid during the period for each share of common stock outstanding.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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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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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock Based Compensation (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 41,791	$ 33,707	$ 94,567	$ 80,874
Deferred tax benefit related to stock based compensation	1,839	$ 1,080	3,386	$ 3,808
Unrecognized compensation costs	219,311		$ 219,311
Period in which compensation cost will be recognized			2 years
Deferred tax benefit related to unrecognized compensation costs	$ 8,380		$ 8,380
Granted			77,550
Outstanding	326,112		326,112		304,662
Cash divided paid		$ 0.25		$ 0.50
Aggregate intrinsic value of options exercised			$ 0	$ 0
2017 Plan [Member] \| Non employee directors [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares under plan	133,000		133,000
Percentage of total number of shares subject to options or awards, single fiscal year			33.33%
Number of shares subject to option or award, single fiscal year	13,300		13,300
2017 Plan [Member] \| Individual Employee [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares subject to option or award, single fiscal year	15,000		15,000
Incentive Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs	$ 179,408		$ 179,408
Non-qualified stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	8,757	$ 5,143	16,123	$ 18,131
Unrecognized compensation costs	$ 39,903		$ 39,903
Stock Option Plans [Member] \| 2017 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Expiration period			10 years
Authorized shares under plan	400,000		400,000
Granted			303,904
Outstanding	228,062		228,062
Shares remain available for grant	171,938		171,938
Stock Option Plans [Member] \| 2007 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested and exercisable	98,050		98,050