REVENUE - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Disaggregation Of Revenue [Line Items]
Revenues	$ 86,306	$ 79,720	$ 90,581
Percentage of contract for sale equal monthly progress payments	90.00%
Long-term accounts receivable	$ 0	0
Proceeds from sale of revenue earned but not billed	1,500	1,800	0
Gain (loss) on sale of revenue earned but not billed	0	$ 100	0
Revenue, Practical Expedient, Financing Component [true false]		true
Revenue Recognized	400	$ 100	$ 500
Contract liabilities	100
Bill and Hold Revenue Had Not Shipped
Disaggregation Of Revenue [Line Items]
Revenues	$ 0	$ 100

Gain (loss) on sale of unbilled contract revenue.

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Proceeds from sale of unbilled contracts receivable.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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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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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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