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Stock Options - Additional Information (Details) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Allocated Share Based Compensation Expense | $ 104,000 | $ 17,000 |  |
Share based Compensation Cost Effect On Earnings Per Share Basic And Diluted | $ 0.01 | $ 0.00 |  |
2012 Employee Stock Option Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized for issuance under the plan | 950,000 |  |  |
Percentage Applied To Market Price To Set Grant Price For Grantee Owning Ten Percent Or More Of Entity Common Stock Outstanding | 110.00% |  |  |
Term of stock option awards | 10 years |  |  |
Annual rate at which share-based compensation awards vest | 20.00% |  |  |
Number of stock options, exercisable | 37,400 | 35,400 |  |
Number of stock options available for grant | 731,960 |  |  |
Unearned stock-based compensation cost related to non-vested awards | $ 792,000 |  |  |
Fair value of stock options that vested during the period | $ 29,000 | $ 17,000 |  |
Fair value of stock options that vested during the period (shares) | 2,400 | 1,600 |  |
Tax benefit from ISO option exercise | $ 0 | $ 0 |  |
Number of shares outstanding, end of period | 117,840 | 80,500 | 117,840 | 72,500
Common Stock, Voting Rights | Any plan participant who is granted ISOs and possesses more than 10% of the voting rights of the Company’s outstanding common stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 0 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 8,000 |  |
2012 Non-Employee Stock Option Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized for issuance under the plan | 50,000 |  |  |
Term of stock option awards | 10 years |  |  |
Annual rate at which share-based compensation awards vest | 20.00% |  |  |
Number of stock options, exercisable | 5,760 | 10,200 |  |
Number of stock options available for grant | 0 |  |  |
Unearned stock-based compensation cost related to non-vested awards | $ 28,000 |  |  |
Fair value of stock options that vested during the period (shares) | 0 | 0 |  |
Tax benefit from ISO option exercise | $ 0 | $ 0 |  |
Number of shares outstanding, end of period | 12,000 |  | 12,000 | 10,200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 0 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 | 0 |  |
Proceeds From Stock Options Exercised | $ 0 | $ 0 |  |
2018 Non-Employee Stock Option Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized for issuance under the plan | 50,000 |  |  |
Term of stock option awards | 10 years |  |  |
Annual rate at which share-based compensation awards vest | 20.00% |  |  |
Number of stock options, exercisable | 12,240 | 2,400 |  |
Number of stock options available for grant | 0 |  |  |
Unearned stock-based compensation cost related to non-vested awards | $ 377,000 |  |  |
Fair value of stock options that vested during the period (shares) | 0 | 0 |  |
Tax benefit from ISO option exercise | $ 0 | $ 0 |  |
Number of shares outstanding, end of period | 48,400 | 15,200 | 48,400 | 15,200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 0 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 |  |  |
Proceeds From Stock Options Exercised | $ 0 | $ 0 |  |
2020 Non-Employee Stock Option Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized for issuance under the plan | 50,000 |  |  |
Term of stock option awards | 10 years |  |  |
Annual rate at which share-based compensation awards vest | 20.00% |  |  |
Number of stock options, exercisable | 1,000 |  |  |
Number of stock options available for grant | 45,000 |  |  |
Unearned stock-based compensation cost related to non-vested awards | $ 46,000 |  |  |
Fair value of stock options that vested during the period | $ 12,000 |  |  |
Fair value of stock options that vested during the period (shares) | 1,000 |  |  |
Tax benefit from ISO option exercise | $ 0 | $ 0 |  |
Number of shares outstanding, end of period | 5,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 0 | 0 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 5,000 |  |  |

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- Definition The sum of the market price plus the markup applied to market price on the date of grant to set the exercise price of a stock option awarded to a grantee owning 10% or more of the entity's outstanding common stock on the date of grant. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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