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

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

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.

+ References

No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Shareholders' Equity and Share-based Payments (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2018
Share-based compensation
Common stock, shares authorized	75,000,000		75,000,000		75,000,000
Preferred stock, shares authorized	10,000,000		10,000,000		10,000,000
Share-based compensation expense	$ 0	$ 0	$ 203,000	$ 200,000
2009 Plan
Share-based compensation
Share-based compensation expense	$ 0	0	$ 203,000	200,000
Number of shares of common stock reserved for awards	1,200,000		1,200,000
2009 Plan \| Employee
Share-based compensation
Share-based compensation expense	$ 0	0	$ 0	0
2009 Plan \| Non-employee director
Share-based compensation
Share-based compensation expense	$ 0	$ 0	$ 203,000	$ 200,000
2009 Plan \| Performance-based Award \| Employee
Share-based compensation
Number of shares of common stock reserved for awards	300,000		300,000
2019 Plan
Share-based compensation
Common stock, shares authorized	139,691		139,691
Share-based compensation expense	$ 0		$ 0
Number of shares of common stock reserved for awards	750,000		750,000
Number of shares of common stock available for awards under the plan	889,691		889,691
2019 Plan \| Employee
Share-based compensation
Share-based compensation expense	$ 0		$ 0
Number of shares of common stock reserved for awards	300,000		300,000
2019 Plan \| Non-employee director
Share-based compensation
Share-based compensation expense	$ 0		$ 0