Annual report pursuant to Section 13 and 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
12 Months Ended
Sep. 30, 2019
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
Warranties issued/accrued $ 378
Warranty settlements (86)
Ending balance, September 30, 2019 $ 292