SEGMENT DATA - (Reconciliation of Segment Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
Segment Reporting [Line Items]
Total assets	$ 53,303	$ 51,605
Operating Segments [Member]
Segment Reporting [Line Items]
Total assets	53,303	51,605
Operating Segments [Member] \| Lighting Segment
Segment Reporting [Line Items]
Total assets	23,145	26,185
Operating Segments [Member] \| Maintenance Segment
Segment Reporting [Line Items]
Total assets	3,933	3,697
Operating Segments [Member] \| EV Segment
Segment Reporting [Line Items]
Total assets	9,721	7,505
Operating Segments [Member] \| Corporate and Other
Segment Reporting [Line Items]
Total assets	$ 16,504	$ 14,218

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

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