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Leases
 12 Months Ended
Sep. 30, 2020
Leases [Abstract]  
Leases LEASES
The components of lease expense for the year ended September 30, 2020 were as follows:
2020 
Operating lease expense$207 
Variable lease expense$19 

Short-term lease expense and sublease income were immaterial for the year ended September 30, 2020. Cash paid for operating leases is classified within operating cash flows and was $201 for the year ended September 30, 2020. Operating lease right-of-use asset additions were $210 for the year ended September 30, 2020.

The following table summarizes the balances of the Company's operating lease right-of-use assets and operating lease liabilities as of September 30, 2020, the vast majority of which relates to offices and manufacturing facilities:
2020 
Right-of-use assets (Other assets)$508 
Current lease liabilities (Accrued expenses)$148 
Noncurrent lease liabilities (Other liabilities)$373 

The weighted-average remaining lease term for operating leases was 4.6 years and the weighted-average discount rate was 2.8 percent as of September 30, 2020.
Future maturities of operating lease liabilities as of September 30, 2020 are summarized below:
2020 
2021$159 
2022122 
202394 
202466 
202539 
Thereafter85 
Total lease payments565 
Less: Interest44 
Total lease liabilities$521 

Lease commitments that have not yet commenced were immaterial as of September 30, 2020.
The future minimum annual rentals under noncancelable long-term leases as of September 30, 2019 were as follows: $159 in 2020, $112 in 2021, $82 in 2022, $57 in 2023, $38 in 2024 and $63 thereafter.