Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Stock-Based Compensation (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Schedule of Stock-Based Compensation (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock compensation expense $ 2,613 $ 1,653 $ 924
Executives      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock compensation expense 1,754 880 150
Board of Directors      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total stock compensation expense $ 859 $ 773 $ 774