Common Stock Compensation - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of options exercisable	$ 17		$ 17
Remaining share-based compensation expense	193		$ 193
Weighted average recognition period on remaining share-based compensation expense			1 year 1 month 9 days
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	43	$ 93	$ 128	$ 226
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average recognition period on remaining share-based compensation expense			2 years 8 months 1 day
Compensation expense recognized	64	$ 53	$ 77	$ 161
Remaining share-based compensation expense	$ 626		$ 626

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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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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Unrecognized cost of unvested options awarded to employees as compensation.

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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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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