| Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
| Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Stock based compensation expense | $ 19 | $ 32 | $ 67 | $ 110 | 
| Unrecognized compensation expense | $ 78 | $ 78 | ||
| 2014 Omnibus Equity Incentive Plan | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Common stock reserved for issuance | 300,000 | 300,000 | ||
| X | ||||||||||
| 
- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- 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. 
 | 
| X | ||||||||||
| 
- Details 
 |