Accrued liabilities consisted of the following:


	June 30, 2025		September 30, 2024
Customer deposits	$	16,637	$	1,606
Deferred revenue		3,250		3,643
Payroll and related		2,933		3,249
Accrued contract costs		403		—
Short-term provision		153		155
Acquisition holdback liability		—		250
Warranty reserve		64		76
Other		33		51
Total	$	23,473	$	9,030

Payroll and related consisted primarily of accrued vacation, bonus, sales commissions and benefits.

Deferred revenue as of June 30, 2025, included prepayments from customers for services, including extended warranty, scheduled to be performed within the next twelve months. Deferred extended warranty consisted of warranties purchased in excess of the Company’s standard warranty. Extended warranties typically range from one to two years.

Customer deposits represent amounts paid by customers as a down payment on hardware orders to be delivered within the next twelve months. Balance at June 30, 2025 included $14,210 for the Puerto Rico project.

Accrued contract costs consisted of accrued expenses for contracting a third-party service provider to fulfill repair and maintenance obligations required under a contract with a foreign military for units sold in fiscal 2011. Payments to the service provider will be made annually upon completion of each year of service. The Company is contractually obligated to provide such repair and maintenance services through November 2027. These services are being recorded in cost of revenues to correspond with the revenues for these services.

Changes in the warranty reserve and extended warranty were as follows:


	Nine Months Ended June 30,
	2025			2024
Beginning balance	$	76		$	132
Warranty provision		5			(35	)
Warranty settlements		(17	)		(21	)
Ending balance	$	64		$	76

The Company establishes a warranty reserve based on anticipated warranty claims at the time product revenue is recognized. Factors affecting warranty reserve levels include the number of units sold, anticipated cost of warranty repairs and anticipated rates of warranty claims. The Company evaluates the adequacy of the provision for warranty costs each reporting period and adjusts the accrued warranty liability to an amount equal to estimated warranty expense for products currently under warranty.