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Leases
 12 Months Ended
Sep. 30, 2024
Leases [Abstract]  
Leases Leases
Our leases consist primarily of office space and construction equipment. All of our future lease obligations are related to non-cancelable operating leases. The following table provides a summary of lease cost components for the years ended September 30, 2024, 2023 and 2022 respectively (in thousands):

Lease Cost202420232022
Operating lease cost$920 $1,457 $2,146 
Less: sublease income— (515)(685)
Variable lease cost(1)
108 369 457 
Short-term lease cost(2)
2,476 1,864 1,643 
Total lease cost$3,504 $3,175 $3,561 
(1) Variable lease cost represents common area maintenance charges related to our Canadian office space lease.
(2) Short-term lease cost includes leases and rentals with initial terms of one year or less.
We recognize operating lease assets and operating lease liabilities representing the present value of the remaining lease payments for leases with initial terms greater than twelve months. Leases with initial terms of twelve months or less are not recorded in our Consolidated Balance Sheets. The following table provides a summary of the operating lease assets and
operating lease liabilities included in our Consolidated Balance Sheets as of September 30, 2024 and 2023, respectively (in thousands):

September 30,
Operating Leases20242023
Assets:
Operating lease assets, net$1,216 $1,436 
Liabilities:
Current operating lease liabilities595 773 
Long-term operating lease liabilities621 663 
Total lease liabilities$1,216 $1,436 

The following table provides the maturities of our operating lease liabilities as of September 30, 2024 (in thousands):

Operating Leases
2025$633 
2026382 
2027202 
202853 
202930 
Thereafter— 
Total future minimum lease payments$1,300 
Less: present value discount (imputed interest)(84)
Present value of lease liabilities$1,216 
The weighted average discount rates as of September 30, 2024 and 2023 were 5.44% and 3.32%, respectively. The weighted average remaining lease term was 2.47 years and 2.67 years, respectively, at September 30, 2024 and 2023.