Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
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Sep. 30, 2019 |
Sep. 30, 2018 |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock-based compensation expense | $ 270 | $ 497 |
| Unrecognized compensation expense | $ 145 | |
| Stock options, granted | 20,000 | |
| Weighted average fair value options exercisable | $ 13.92 | $ 11.89 |
| Stock Option | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock-based compensation expense | $ 142 | $ 227 |
| Stock options, granted | 0 | |
| Stock Option | Exercise Price Equals Stock Price | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Weighted average fair value options granted | $ 10.14 | |
| Weighted average fair value options exercisable | $ 32.24 | |
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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