v3.26.1
SEGMENT DATA - (Reconciliation of Segment Operations) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Corporate and Other    
Revenues $ 25,743 $ 19,575
Total Cost of Sales 16,832 13,674
Gross profit 8,911 5,901
Operating expenses:    
General and administrative 3,694 4,290
Sales and marketing 2,838 2,416
Research and development 268 208
Total operating expenses 6,800 6,914
Income (loss) from operations 2,111 (1,013)
Other income (expense):    
Royalty income 1 2
Amortization of debt issue cost (18) (51)
Loss on debt extinguishment (42) 0
Income before income tax 1,954 (1,231)
Product [Member]    
Corporate and Other    
Revenues 14,219 13,512
Total Cost of Sales 8,668 8,822
Service [Member]    
Corporate and Other    
Revenues 11,524 6,063
Total Cost of Sales 8,164 4,852
Operating Segments    
Corporate and Other    
Revenues 25,743 19,575
Total Cost of Sales 16,832 13,674
Gross profit 8,911 5,901
Operating expenses:    
General and administrative 3,694 4,290
Sales and marketing 2,838 2,416
Research and development 268 208
Total operating expenses 6,800 6,914
Income (loss) from operations 2,111 (1,013)
Other income (expense):    
Royalty income 1 2
Interest expense (98) (169)
Amortization of debt issue cost (18) (51)
Loss on debt extinguishment (42)  
Total other expense (157) (218)
Income before income tax 1,954 (1,231)
Depreciation and Amortization 251 535
Capital Expenditures 6 55
Operating Segments | Lighting Segment    
Corporate and Other    
Revenues 17,667 12,882
Total Cost of Sales 11,007 8,839
Gross profit 6,660 4,043
Operating expenses:    
General and administrative 1,600 1,799
Sales and marketing 2,355 1,908
Research and development 129 101
Total operating expenses 4,084 3,808
Income (loss) from operations 2,576 235
Other income (expense):    
Depreciation and Amortization 67 168
Capital Expenditures 4 51
Operating Segments | Maintenance Segment    
Corporate and Other    
Revenues 4,096 3,997
Total Cost of Sales 2,916 3,051
Gross profit 1,180 946
Operating expenses:    
General and administrative 591 675
Sales and marketing 102 108
Research and development 40 34
Total operating expenses 733 817
Income (loss) from operations 447 129
Other income (expense):    
Depreciation and Amortization 24 48
Capital Expenditures 0 4
Operating Segments | EV Segment    
Corporate and Other    
Revenues 3,980 2,696
Total Cost of Sales 2,909 1,784
Gross profit 1,071 912
Operating expenses:    
General and administrative 638 918
Sales and marketing 268 297
Research and development 23 19
Total operating expenses 929 1,234
Income (loss) from operations 142 (322)
Other income (expense):    
Depreciation and Amortization 123 249
Capital Expenditures 0 0
Operating Segments | Corporate and Other    
Corporate and Other    
Revenues 0 0
Total Cost of Sales 0 0
Gross profit 0 0
Operating expenses:    
General and administrative 865 898
Sales and marketing 113 103
Research and development 76 54
Total operating expenses 1,054 1,055
Income (loss) from operations (1,054) (1,055)
Other income (expense):    
Depreciation and Amortization 37 70
Capital Expenditures 2 0
Operating Segments | Product [Member]    
Corporate and Other    
Revenues 14,219 13,512
Total Cost of Sales 8,668 8,822
Operating Segments | Product [Member] | Lighting Segment    
Corporate and Other    
Revenues 10,785 10,435
Total Cost of Sales 6,585 7,123
Operating Segments | Product [Member] | Maintenance Segment    
Corporate and Other    
Revenues 1,617 1,501
Total Cost of Sales 842 833
Operating Segments | Product [Member] | EV Segment    
Corporate and Other    
Revenues 1,817 1,576
Total Cost of Sales 1,241 866
Operating Segments | Product [Member] | Corporate and Other    
Corporate and Other    
Revenues 0 0
Total Cost of Sales 0 0
Operating Segments | Service [Member]    
Corporate and Other    
Revenues 11,524 6,063
Total Cost of Sales 8,164 4,852
Operating Segments | Service [Member] | Lighting Segment    
Corporate and Other    
Revenues 6,882 2,447
Total Cost of Sales 4,422 1,716
Operating Segments | Service [Member] | Maintenance Segment    
Corporate and Other    
Revenues 2,479 2,496
Total Cost of Sales 2,074 2,218
Operating Segments | Service [Member] | EV Segment    
Corporate and Other    
Revenues 2,163 1,120
Total Cost of Sales 1,668 918
Operating Segments | Service [Member] | Corporate and Other    
Corporate and Other    
Revenues 0 0
Total Cost of Sales $ 0 $ 0