Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Summary of Warranty Reserve Activity (Details)

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Commitments and Contingencies - Summary of Warranty Reserve Activity (Details)
$ in Thousands
6 Months Ended
Mar. 31, 2021
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
Beginning balance, September 30, 2020 $ 206
Warranties issued/accrued 0
Warranty settlements (35)
Ending balance, March 31, 2021 $ 171