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Stock Option - Plan Information (Details) - USD ($) | 1 Months Ended | 3 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021 | May 31, 2020 | Dec. 31, 2018 | Dec. 31, 2012
Stock Option |  |  |  |  |  |  |  |  |
Stock-based compensation expense, allocated |  | $ 307,000 | $ 477,000 |  |  |  |  |  |
Basic earnings per share from share based compensation costs |  | $ 0.01 | $ 0.01 |  |  |  |  |  |
Diluted earnings per share from share based compensation costs |  | $ 0.01 | $ 0.01 |  |  |  |  |  |
Exercised |  | 0 |  |  |  |  |  |  |
Proceeds from stock option exercises |  |  | $ 45,000 |  |  |  |  |  |
2012 Employee Stock Option Plan |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Shares authorized (in shares) |  | 1,900,000 |  |  |  |  |  |  |
Premium on fair market value (as a percent) |  | 110.00% |  |  |  |  |  |  |
Term |  | 10 years |  |  |  |  |  |  |
Vesting rights percentage |  | 20.00% |  |  |  |  |  |  |
Outstanding (in shares) |  | 521,580 | 555,380 |  |  | 523,080 |  |  |
Exercisable, end of period |  | 258,328 | 183,852 |  |  |  |  |  |
Available for grant (in shares) |  | 0 |  |  |  |  |  |  |
Granted |  | 0 | 37,500 |  |  |  |  |  |
Exercised |  | 0 | 5,200 |  |  |  |  |  |
Deferred tax benefit |  |  | $ 0 |  |  |  |  |  |
Unearned stock based compensation |  | $ 1,738,000 |  |  |  |  |  |  |
Vested |  | 10,700 | 12,300 |  |  |  |  |  |
Fair Value |  | $ 124,000 | $ 129,000 |  |  |  |  |  |
Proceeds from stock option exercises |  |  | $ 45,000 |  |  |  |  |  |
2012 Employee Stock Option Plan | Options granted after December 2022 |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Granted |  | 0 |  |  |  |  |  |  |
2012 Non-Employee Stock Option Plan |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Shares authorized (in shares) |  |  |  |  |  |  |  |  | 100,000
Threshold percentage of voting rights |  | 10.00% |  |  |  |  |  |  |
Term |  | 10 years |  |  |  |  |  |  |
Vesting rights percentage |  | 20.00% |  |  |  |  |  |  |
Outstanding (in shares) |  | 20,400 | 20,400 | 20,400 | 20,400 |  |  |  |
Exercisable, end of period |  | 13,920 | 11,280 |  |  |  |  |  |
Available for grant (in shares) |  | 0 |  |  |  |  |  |  |
Granted |  | 0 | 0 |  |  |  |  |  |
Exercised |  | 0 | 0 |  |  |  |  |  |
Deferred tax benefit |  | $ 0 | $ 0 |  |  |  |  |  |
Unearned stock based compensation |  | $ 40,000 |  |  |  |  |  |  |
Vested |  | 0 | 0 |  |  |  |  |  |
Proceeds from stock option exercises |  | $ 0 | $ 0 |  |  |  |  |  |
2012 Non-Employee Stock Option Plan | Options granted after December 2022 |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Granted |  | 0 |  |  |  |  |  |  |
2018 Non-Employee Stock Option Plan |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Shares authorized (in shares) |  |  |  |  |  |  |  | 100,000 |
Term |  | 10 years |  |  |  |  |  |  |
Vesting rights percentage |  | 20.00% |  |  |  |  |  |  |
Outstanding (in shares) |  | 75,000 | 82,700 | 75,000 | 89,000 |  |  |  |
Exercisable, end of period |  | 50,720 | 38,740 |  |  |  |  |  |
Available for grant (in shares) |  | 0 |  |  |  |  |  |  |
Granted |  | 0 | 0 |  |  |  |  |  |
Exercised |  | 0 | 6,300 |  |  |  |  |  |
Shares converted (in shares) |  |  | 3,020 |  |  |  |  |  |
Deferred tax benefit |  |  | $ 21,000 |  |  |  |  |  |
Unearned stock based compensation |  | $ 104,000 |  |  |  |  |  |  |
Vested |  | 0 | 0 |  |  |  |  |  |
Proceeds from stock option exercises |  |  | $ 0 |  |  |  |  |  |
2018 Non-Employee Stock Option Plan | Options granted after December 2028 |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Granted |  | 0 |  |  |  |  |  |  |
2020 Non-Employee Stock Option Plan |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Shares authorized (in shares) |  |  |  |  |  |  | 100,000 |  |
Term |  | 10 years |  |  |  |  |  |  |
Vesting rights percentage |  | 20.00% |  |  |  |  |  |  |
Outstanding (in shares) |  | 56,900 | 51,900 | 56,900 |  | 26,900 |  |  |
Exercisable, end of period |  | 25,760 | 14,380 |  |  |  |  |  |
Available for grant (in shares) |  | 43,100 |  |  |  |  |  |  |
Granted |  | 0 | 25,000 |  |  |  |  |  |
Exercised |  | 0 | 0 |  |  |  |  |  |
Deferred tax benefit |  | $ 0 | $ 0 |  |  |  |  |  |
Unearned stock based compensation |  | $ 312,000 |  |  |  |  |  |  |
Vested |  | 7,000 | 7,000 |  |  |  |  |  |
Fair Value |  | $ 79,000 | $ 79,000 |  |  |  |  |  |
Proceeds from stock option exercises |  | $ 0 | $ 0 |  |  |  |  |  |
2020 Non-Employee Stock Option Plan | Options granted after May 2030 |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Granted |  | 0 |  |  |  |  |  |  |
2022 Employee Stock Option Plan |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Shares authorized (in shares) | 950,000 |  |  |  |  |  |  |  |
Premium on fair market value (as a percent) | 110.00% |  |  |  |  |  |  |  |
Threshold percentage of voting rights | 10.00% |  |  |  |  |  |  |  |
Term | 10 years |  |  |  |  |  |  |  |
Vesting rights percentage | 20.00% |  |  |  |  |  |  |  |
Outstanding (in shares) |  | 0 |  | 5,000 |  |  |  |  |
Available for grant (in shares) |  | 950,000 |  |  |  |  |  |  |
Granted |  | 0 |  |  |  |  |  |  |
Exercised |  | 0 |  |  |  |  |  |  |
Deferred tax benefit |  | $ 0 |  |  |  |  |  |  |
Unearned stock based compensation |  | $ 0 |  |  |  |  |  |  |
Vested |  | 0 |  |  |  |  |  |  |
Proceeds from stock option exercises |  | $ 0 |  |  |  |  |  |  |
2022 Employee Stock Option Plan | Options granted after December 2032 |  |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |  |
Granted |  | 0 |  |  |  |  |  |  |

X
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