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Stock Option - Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | May 31, 2020 | Dec. 31, 2018
Stock Option |  |  |  |  |  |  |  |
Stock-based compensation expense, allocated | $ 35,000 | $ 84,000 | $ 1,379,000 | $ 272,000 |  |  |  |
Stock-based compensation costs, effect on EPS | $ 0.00 | $ 0.00 | $ 0.04 | $ 0.01 |  |  |  |
Proceeds from stock option exercises |  |  | $ 155,000 |  |  |  |  |
2012 Employee Stock Option Plan |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |
Shares authorized (in shares) | 1,900,000 |  | 1,900,000 |  |  |  |  |
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) | 523,080 | 224,080 | 523,080 | 224,080 | 214,080 | 235,680 |  |
Exercisable, end of period | 164,776 | 89,200 | 164,776 | 89,200 |  |  |  |
Available for grant (in shares) | 1,138,920 |  | 1,138,920 |  |  |  |  |
Granted | 0 | 0 | 338,000 | 0 |  |  |  |
Unearned stock based compensation | $ 2,704,000 |  | $ 2,704,000 |  |  |  |  |
Exercised | 1,000 |  | 29,000 | 3,600 |  |  |  |
Deferred tax benefit | $ 1,000 | $ 3,000 | $ 1,000 | $ 3,000 |  |  |  |
Conversion of Stock, Shares Issued | 153 | 1,350 |  |  |  |  |  |
Vested | 5,200 | 5,200 | 95,600 | 30,800 |  |  |  |
Fair Value | $ 36,000 | $ 63,000 | $ 975,000 | $ 168,000 |  |  |  |
Proceeds from stock option exercises |  |  | $ 155,000 |  |  |  |  |
2012 Employee Stock Option Plan | After December 2022 |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |
Granted |  |  | 0 |  |  |  |  |
2012 Non-Employee Stock Option Plan |  |  |  |  |  |  |  |
Stock Option |  |  |  |  |  |  |  |
Shares authorized (in shares) | 100,000 |  | 100,000 |  |  |  |  |
Term |  |  | 10 years |  |  |  |  |
Vesting rights percentage |  |  | 20.00% |  |  |  |  |
Outstanding (in shares) | 21,600 | 21,600 | 21,600 | 21,600 | 12,000 | 24,000 |  |
Exercisable, end of period | 12,480 | 14,640 | 12,480 | 14,640 |  |  |  |
Available for grant (in shares) | 0 |  | 0 |  |  |  |  |
Granted | 0 |  | 9,600 | 0 |  |  |  |
Unearned stock based compensation | $ 76,000 |  | $ 76,000 |  |  |  |  |
Exercised | 0 | 2,400 | 0 | 2,400 |  |  |  |
Deferred tax benefit | $ 0 | $ 6,000 |  | $ 6,000 |  |  |  |
Conversion of Stock, Shares Issued |  | 913 |  | 913 |  |  |  |
Vested | 720 | 720 | 6,240 | 5,520 |  |  |  |
Fair Value | $ 5,000 | $ 5,000 | $ 39,000 | $ 18,000 |  |  |  |
Proceeds from stock option exercises | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |
2012 Non-Employee Stock Option Plan | 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) | 89,000 | 93,600 | 89,000 | 93,600 | 70,100 | 96,800 |  |
Exercisable, end of period | 45,040 | 40,960 | 45,040 | 40,960 |  |  |  |
Available for grant (in shares) | 0 |  | 0 |  |  |  |  |
Granted | 0 | 0 | 23,500 | 0 |  |  |  |
Unearned stock based compensation | $ 302,000 |  | $ 302,000 |  |  |  |  |
Exercised | 1,600 | 3,200 | 4,600 | 3,200 |  |  |  |
Shares converted (in shares) |  |  | 663 |  |  |  |  |
Deferred tax benefit | $ 4,000 | $ 6,000 | $ 12,000 | $ 6,000 |  |  |  |
Conversion of Stock, Shares Issued |  | 1,217 | 2,075 | 1,217 |  |  |  |
Vested | 5,380 | 6,880 | 19,680 | 19,680 |  |  |  |
Fair Value | $ 35,000 | $ 45,000 | $ 160,000 | $ 133,000 |  |  |  |
Proceeds from stock option exercises | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |
2018 Non-Employee Stock Option Plan | 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) | 26,900 | 10,000 | 26,900 | 10,000 | 10,000 | 0 |  |
Exercisable, end of period | 7,380 | 2,000 | 7,380 | 2,000 |  |  |  |
Available for grant (in shares) | 73,100 |  | 73,100 |  |  |  |  |
Granted | 0 | 0 | 16,900 | 10,000 |  |  |  |
Unearned stock based compensation | $ 147,000 |  | $ 147,000 |  |  |  |  |
Exercised | 0 | 0 | 0 | 0 |  |  |  |
Deferred tax benefit |  |  | $ 0 | $ 0 |  |  |  |
Vested | 0 | 0 | 5,380 | 2,000 |  |  |  |
Fair Value | $ 0 | $ 0 | $ 55,000 | $ 12,000 |  |  |  |
Proceeds from stock option exercises | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |

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