SEGMENT DATA (Reconciliation of Segment Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Corporate and Other
Total Assets	$ 63,169	$ 71,579
Operating Segments
Corporate and Other
Total Assets	63,169	71,579
Operating Segments | Lighting Segment
Corporate and Other
Total Assets	25,911	28,641
Operating Segments | Maintenance Segment
Corporate and Other
Total Assets	8,827	6,739
Operating Segments | EV Segment
Corporate and Other
Total Assets	15,291	11,502
Operating Segments | Corporate and Other
Corporate and Other
Total Assets	$ 13,140	$ 24,697