v3.26.1
REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers $ 85,481 $ 78,939 $ 90,519
Revenue accounted for under other guidance [1] 825 781 62
Total revenue 86,306 79,720 90,581
Revenues 86,306 79,720 90,581
Product revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 56,204 53,587 63,245
Revenue accounted for under other guidance [1] 825 781 62
Total revenue 57,029 54,368 63,307
Revenues 57,029 54,368 63,307
Service revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 29,277 25,352 27,274
Revenue accounted for under other guidance [1] 0 0 0
Total revenue 29,277 25,352 27,274
Revenues 29,277 25,352 27,274
Lighting product and installation      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 53,702 46,906 61,012
Lighting product and installation | Product revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 38,995 39,247 50,229
Lighting product and installation | Service revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 14,707 7,659 10,783
Maintenance services      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 16,042 15,190 17,147
Maintenance services | Product revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 7,293 5,902 4,687
Maintenance services | Service revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 8,749 9,288 12,460
Electric vehicle charging      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 14,384 16,826 12,332
Electric vehicle charging | Product revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 8,563 8,421 8,301
Electric vehicle charging | Service revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 5,821 8,405 4,031
Solar energy-related revenues      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 1,353 17 28
Solar energy-related revenues | Product revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers 1,353 17 28
Solar energy-related revenues | Service revenue      
Disaggregation Of Revenue [Line Items]      
Total revenues from contracts with customers $ 0 $ 0 $ 0
[1] Revenue accounted for under other guidance is recognized as Product revenue in the consolidated statements of operations and includes $0.4 million, $0.7 million and $0 million derived from sales-type leases for light fixtures for the fiscal years ended March 31, 2026, 2025, and 2024, respectively; $0 million, $0 million, and $0.1 million derived from the sale of tax credits generated from Orion’s legacy operation for distributing solar energy for the fiscal years ended March 31, 2026, 2025, and 2024, respectively; and $0.4 million, $0, and $0 derived from the amortization of federal grants received in 2010 and 2011 as reimbursement for a portion of the costs to construct the legacy solar facilities for the fiscal years ended March 31, 2026, 2025, and 2024, respectively.