Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Additional Information (Details)

v3.19.3.a.u2
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense $ 270 $ 497
Unrecognized compensation expense $ 145  
Stock options, granted   20,000
Weighted average fair value options exercisable $ 13.92 $ 11.89
Stock Option    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense $ 142 $ 227
Stock options, granted 0  
Stock Option | Exercise Price Equals Stock Price    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Weighted average fair value options granted   $ 10.14
Weighted average fair value options exercisable   $ 32.24