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Equity Plan (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares authorized under 2015 Equity Incentive Plan | 1,500,000 |
Awards granted under 2015 Equity Incentive Plan | 34,345 | 66,226
Vesting period | 4 years | 4 years
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock | $ 15,100,000 |
Unrecognized compensation expense, net of estimated forfeitures, related to non-vested restricted stock, Period | 17 years 3 months 19 days |
Share-based compensation expense | $ 1,700,000 | $ 1,600,000
Grant date fair value of restricted stock | 1,200,000 | 2,500,000
Fair value of stock vested | $ 728,000 | $ 707,000
Restricted stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock vested | 54,093 | 53,700
Common Stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock vested | 20,248 | 20,918
Minimum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Remaining vesting period | 5 years | 10 years
Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Remaining vesting period | 31 years | 29 years
Common Stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock issued under employee stock purchase plan | 1,341 |
Proceeds from issuance | $ 45,000 |

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