Stock-Based Compensation (Narrative) (Details) $ in Thousands	3 Months Ended
Sep. 30, 2019 USD ($) Target shares	Sep. 30, 2018 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from stock plans	$ 0	$ 191
Board Of Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued to directors \| shares		9,359
Shares issued to directors, value		$ 42
Employee Stock Option [Member] \| 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	56	$ 87
Unrecognized compensation cost	$ 91
Expected weighted average vesting period to recognize compensation	1 year
Options issued \| shares	0	0
Employee Stock Option [Member] \| Minimum [Member] \| 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	10 years
Employee Stock Option [Member] \| Minimum [Member] \| Tranche 1 Through 4 [Member] \| 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	25.00%
Employee Stock Option [Member] \| Maximum [Member] \| 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period before vesting begins	1 year
Employee Stock Option [Member] \| Maximum [Member] \| Tranche 1 Through 3 [Member] \| 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	33.30%
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 65	$ 55
Expected weighted average vesting period to recognize compensation	1 year 6 months
Total unrecognized compensation related to restricted stock awards	$ 237
Operating Income-Based Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance targets \| Target	2
Operating Income-Based Performance Shares [Member] \| Minimum [Member] \| Tranche 1 Through 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	75.00%
Operating Income-Based Performance Shares [Member] \| Maximum [Member] \| Tranche 1 Through 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	200.00%
Revenue-Based Performance Shares [Member] \| Minimum [Member] \| Tranche 1 Through 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	50.00%
Revenue-Based Performance Shares [Member] \| Maximum [Member] \| Tranche 1 Through 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	150.00%
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	$ 51	$ 65
Expected weighted average vesting period to recognize compensation	1 year 2 months 12 days
Total unrecognized compensation related to restricted stock awards	$ 274
Performance Shares [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	75.00%

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