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Subsequent Events (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 01, 2017 | Nov. 10, 2017 | Dec. 31, 2017 | Sep. 30, 2017 | Sep. 30, 2016
Subsequent Event [Line Items] |  |  |  |  |
Number of incentive stocks granted (in shares) |  |  |  | 400,000 | 25,000
Subsequent Event | 2016 Omnibus Equity Incentive Plan |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of incentive stocks granted (in shares) | 217,500 |  |  |  |
Subsequent Event | Non-employee directors |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Shares issued (in shares) |  | 93,125 |  |  |
Share-based compensation expense recognized |  |  | $ 563 |  |

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- Definition Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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- Details
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- Details
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