| Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | |
|---|---|---|
| Dec. 31, 2019 | Dec. 31, 2018 | |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Stock based compensation expense | $ 29 | $ 47 | 
| Unrecognized compensation expense | $ 116 | |
| 2014 Omnibus Equity Incentive Plan | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Common stock reserved for issuance | 300,000 | |
| X | ||||||||||
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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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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| X | ||||||||||
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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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| X | ||||||||||
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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 | ||||||||||
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- Details 
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