REVENUE - Disaggregated basis (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
REVENUE
Revenue	$ 7,094	$ 7,622	$ 23,559	$ 24,554
Over-time
REVENUE
Revenue	6,422	7,297	21,766	23,158
Point-in-time
REVENUE
Revenue	672	325	1,793	1,396
Defense
REVENUE
Revenue	6,684	7,440	23,138	24,324
Industrial
REVENUE
Revenue	$ 410	$ 182	$ 421	$ 230

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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- Definition

Amount, including 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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