Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Schedule of disaggregation of revenue (Details)

v3.25.1
Summary of Significant Accounting Policies - Schedule of disaggregation of revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Disaggregation Of Revenue [Line Items]        
Total operating revenues $ 17,980 $ 18,113 $ 34,874 $ 32,098
Revenue recognized at a point-in-time        
Disaggregation Of Revenue [Line Items]        
Total operating revenues 17,143 16,974 32,698 29,959
Revenue recognized over time        
Disaggregation Of Revenue [Line Items]        
Total operating revenues $ 837 $ 1,139 $ 2,176 $ 2,139