Number of performance targets.

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- Definition

Percentage of operating income targets excessively achieved.

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Period Before Award Vesting

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No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation (Narrative) (Details)	3 Months Ended		6 Months Ended		12 Months Ended
Stock-Based Compensation (Narrative) (Details)	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($) shares	Dec. 31, 2018 USD ($) Target shares	Dec. 31, 2017 USD ($) shares	Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from stock plans	$ 3,000	$ 0	$ 194,000	$ 0
Employee Stock Option [Member] \| 2004 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation expense	192,000	$ 142,000	283,000	$ 197,000
Unrecognized compensation cost	$ 195,000		$ 195,000
Expected weighted average vesting period to recognize compensation			1 year 4 months 24 days
Options issued \| shares	0	100,000	0	100,000
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	$ 89,000	$ 56,000	$ 144,000	$ 132,000
Expected weighted average vesting period to recognize compensation			2 years 2 months 12 days
Total unrecognized compensation related to restricted stock awards	381,000		$ 381,000
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	2,000	$ 67,000	$ 67,000	$ 67,000
Expected weighted average vesting period to recognize compensation			1 year 7 months 6 days
Total unrecognized compensation related to restricted stock awards	$ 464,000		$ 464,000
Percentage of operating income targets excessively achieved					161.50%
Performance Shares [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate			75.00%