Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Financial Statement Classification of Lease Expenses Reported in Condensed Consolidated Statements of Operations (Detail)

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Leases - Schedule of Financial Statement Classification of Lease Expenses Reported in Condensed Consolidated Statements of Operations (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Lessee Lease Description [Line Items]        
Total lease cost $ 304 $ 161 $ 602 $ 311
Cost of sales        
Lessee Lease Description [Line Items]        
Operating lease cost 198 13 395 84
Finance lease cost 1 2 2 4
Short-term lease cost   49   76
Selling, General And Administrative Expenses [Member]        
Lessee Lease Description [Line Items]        
Operating lease cost 86 96 170 144
Finance lease cost $ 19 $ 1 $ 35 $ 3