Leases (Tables)

12 Months Ended

Sep. 30, 2022

Leases [Abstract]

Schedule of Operating Lease Costs

The components of lease expense for the years ended September 30 were as follows:

	2021		2022
Operating lease expense	$	195	185
Variable lease expense	$	17	20

Right of Use Assets and Operating Lease Liabilities

The following table summarizes the balances of the Company's operating lease right-of-use assets and operating lease liabilities as of September 30, 2021 and 2022, the vast majority of which relates to offices and manufacturing facilities:

	2021		2022
Right-of-use assets (Other assets)	$	558	489
Current lease liabilities (Accrued expenses)	$	155	144
Noncurrent lease liabilities (Other liabilities)	$	413	348

Schedule of Future Maturities of Operating Lease Liabilities

Future maturities of operating lease liabilities as of September 30, 2022 are summarized below:

	2022
2023	$	152
2024	115
2025	80
2026	51
2027	37
Thereafter	104
Total lease payments	539
Less: Interest	47
Total lease liabilities	$	492