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v3.19.3.a.u2

Employee Stock Purchase Plan (Details) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2019 shares | Sep. 30, 2018 shares | Dec. 31, 2013 shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Number of shares covered under the Employee Stock Purchase Plan (ESPP) |  |  | 250,000
Purchase price per share as percentage of fair market value | 95 |  |
Issuance of shares under employee stock purchase plan (in shares) | 29,238 | 22,895 |

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