Stockholders' Equity - Additional Information (Details) - USD ($) $ in Thousands |
6 Months Ended | ||
|---|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
Sep. 30, 2019 |
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| Class Of Stock [Line Items] | |||
| Treasury stock purchased, shares | 106,567 | 43,347 | |
| Payment for treasury stock | $ 759 | $ 321 | |
| Series E Convertible Preferred Stock | |||
| Class Of Stock [Line Items] | |||
| Preferred stock, outstanding | 47,840 | 77,840 | |
| Repurchased shares of preferred stock | 30,000 | ||
| Aggregate purchase price of convertible preferred stock | $ 3 | ||
| X | ||||||||||
- Definition Aggregate purchase price of convertible preferred stock No definition available.
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- Definition Repurchased shares of preferred stock. No definition available.
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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. No definition available.
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| X | ||||||||||
- Definition The cash outflow to reacquire common stock during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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