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Equity Plan (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares authorized under 2015 Equity Incentive Plan | 3,000,000 |
Vesting period | 4 years | 4 years
Share-based compensation | $ 2,437 | $ 2,302
Common Stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock issued under employee stock purchase plan | 2,492 | 2,216
Proceeds from issuance | $ 69 | $ 50
2017 Employee Stock Purchase Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Discount rate on purchase of common stock | 5.00% |
Restricted stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 8,624 | 187,169
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock | $ 14,900 |
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock, Period | 17 years 6 months |
Grant date fair value of restricted stock | $ 264 | $ 4,200
Stock vested | 77,624 | 55,803
Fair value of stock vested | $ 853 | $ 457
Restricted stock [Member] | Minimum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Remaining vesting period |  | 10 years
Restricted stock [Member] | Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Remaining vesting period |  | 21 years
Restricted stock Units [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 204,014 | 28,110
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock | $ 7,100 |
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock, Period | 11 years 2 months 12 days |
Grant date fair value of restricted stock | $ 6,300 | $ 689
Restricted stock Units [Member] | Minimum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Remaining vesting period | 4 years | 4 years
Restricted stock Units [Member] | Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Remaining vesting period | 41 years | 37 years
Common Stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 5,262 |
Stock vested | 25,310 | 17,200
Stock Awards [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 204,014 | 13,550
Grant date fair value of restricted stock |  | $ 300
Fair value of stock vested | $ 116 |

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