v3.26.1
Leases
 6 Months Ended
Mar. 31, 2026
Leases [Abstract]  
Leases Leases
Our leases consist primarily of office and warehouse 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 three and six months ended March 31, 2026 and 2025, respectively (in thousands):

Three months ended March 31,Six months ended March 31,
Lease Cost2026202520262025
Operating lease cost$299 $247 $583 $445 
Variable lease cost(1)
48 47 91 81 
Short-term lease cost(2)
620 668 1,211 1,307 
Total lease cost$967 $962 $1,885 $1,833 

(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 Condensed Consolidated Balance Sheets. The following table provides a summary of the operating lease assets and operating lease liabilities included in our Condensed Consolidated Balance Sheets as of March 31, 2026 and September 30, 2025, respectively (in thousands):

Operating LeasesMarch 31, 2026September 30, 2025
Assets:
Operating lease assets, net$1,955 $1,664 
Liabilities:
Current operating lease liabilities$880 $882 
Long-term operating lease liabilities1,075 782 
Total lease liabilities$1,955 $1,664 

The following table provides the maturities of our operating lease liabilities as of March 31, 2026 (in thousands):
Operating Leases
Remainder of 2026$557 
2027877 
2028529 
2029162 
2030— 
Thereafter— 
Total future minimum lease payments$2,125 
Less: present value discount (imputed interest)(170)
Present value of lease liabilities$1,955 

The weighted average discount rate as of March 31, 2026 and 2025 were 7.47% and 6.55%, respectively. The weighted average remaining lease term was 2.17 years and 2.34 years, respectively, at March 31, 2026 and 2025.