Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Revenue and Deferred Revenue - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenue and Deferred Revenue
Total revenue, net	$ 9,024	$ 2,749	$ 15,040	$ 5,666
Autonomous Security Robots
Revenue and Deferred Revenue
Total revenue, net	919	1,146	1,879	2,328
Emergency Communication Devices
Revenue and Deferred Revenue
Total revenue, net	1,275	1,603	3,980	3,338
Security Force
Revenue and Deferred Revenue
Total revenue, net	6,830		9,181
Point in time
Revenue and Deferred Revenue
Total revenue, net	958	1,370	3,423	2,883
Point in time \| Autonomous Security Robots
Revenue and Deferred Revenue
Total revenue, net	(14)	12	13	20
Point in time \| Emergency Communication Devices
Revenue and Deferred Revenue
Total revenue, net	972	1,358	3,410	2,863
Transferred over time
Revenue and Deferred Revenue
Total revenue, net	8,066	1,379	11,617	2,783
Transferred over time \| Autonomous Security Robots
Revenue and Deferred Revenue
Total revenue, net	933	1,134	1,866	2,308
Transferred over time \| Emergency Communication Devices
Revenue and Deferred Revenue
Total revenue, net	303	$ 245	570	$ 475
Transferred over time \| Security Force
Revenue and Deferred Revenue
Total revenue, net	$ 6,830		$ 9,181