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RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS - CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent | $ (13,527) | $ (3,331) | $ (34,347) | $ (12,473) | $ (41,286) | $ (18,368) | $ 38,355
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |  |  |  |
Depreciation, Depletion and Amortization |  |  | 3,347 | 5,295 | 9,313 | 10,118 | 9,418
Amortization of Debt Issuance Costs |  |  | 2,081 | 1,234 | 2,735 | 1,624 | 2,414
Long-Term Debt Restatement Costs |  |  | 3,003 | 0 | 0 | 992 | 8,471
Service Parts Inventory Write Down |  |  | 1,167 | 892 | 6,490 | 18,052 | 5,740
Gain (Loss) On Loan Forgiveness |  |  |  |  | 0 | 0 | (10,000)
Share-Based Payment Arrangement, Noncash Expense |  |  | 1,641 | 2,831 | 4,721 | 10,750 | 13,829
Fair Value Adjustment of Warrants | (3,550) | (4,402) | (5,216) | (5,128) | (5,137) | (10,250) | (60,030)
Other Operating Activities, Cash Flow Statement |  |  | 851 | 49 | 3,304 | (2,067) | (832)
Increase (Decrease) in Operating Capital [Abstract] |  |  |  |  |  |  |
Increase (Decrease) in Accounts Receivable |  |  | 16,638 | 21,109 | 4,846 | (2,966) | 3,651
Increase (Decrease) In Manufacturing Inventories Net |  |  | (2,168) | (2,070) | (1,396) | (1,839) | (12,069)
Increase (Decrease) In Service Parts Inventories Net |  |  | 543 | (1,505) | 11,852 | (3,503) | (4,400)
Increase (Decrease) in Accounts Payable |  |  | 5,253 | (9,073) | (11,193) | 1,158 | (1,939)
Increase (Decrease) in Prepaid Expense |  |  | (1,446) | 8 | 1,971 | 3,695 | (3,959)
Increase (Decrease) in Contract with Customer, Liability |  |  | (10,153) | (9,269) | 1,386 | (11,611) | (13,119)
Increase (Decrease) in Restructuring Reserve |  |  |  |  | 0 | 0 | (580)
Increase (Decrease) in Employee Related Liabilities |  |  | (4,350) | (1,946) | 2,504 | (431) | (3,073)
Increase (Decrease) in Other Operating Assets |  |  |  |  | (2,197) | (1,270) | (2,602)
Increase (Decrease) in Other Operating Liabilities |  |  |  |  | 737 | 1,022 | (3,003)
Net Cash Provided by (Used in) Operating Activities, Total |  |  | (17,194) | (11,345) | (10,156) | (4,894) | (33,728)
Net Cash Provided by (Used in) Investing Activities [Abstract] |  |  |  |  |  |  |
Payments to Acquire Property, Plant, and Equipment |  |  | (3,228) | (3,925) | (5,869) | (12,581) | (6,316)
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  | 0 | (3,020) | (7,808)
Net Cash Provided by (Used in) Investing Activities, Total |  |  | (3,228) | (3,925) | (5,869) | (15,601) | (14,124)
Net Cash Provided by (Used in) Financing Activities [Abstract] |  |  |  |  |  |  |
Proceeds from Issuance of Secured Debt |  |  | 24,655 | 14,083 | 12,541 | 0 | 94,961
Repayments of Secured Debt |  |  | (13,537) | (3,247) | (5,747) | (24,596) | (94,301)
Proceeds from Lines of Credit |  |  | 209,852 | 217,084 | 421,623 | 497,280 | 309,000
Repayments of Lines of Credit |  |  | (209,445) | (213,082) | (412,704) | (498,665) | (291,265)
Proceeds from Other Short-Term Debt |  |  |  |  |  | 0 |
Proceeds From Issuance Shares Net Of Offering Cost |  |  |  |  |  | 0 |
Payment, Tax Withholding, Share-Based Payment Arrangement |  |  |  |  |  | 0 |
Proceeds from Issuance of Common Stock |  |  |  |  | 0 | 67,146 | 1,762
Net Cash Provided by (Used in) Financing Activities, Total |  |  | 11,525 | 14,838 | 15,713 | 41,165 | 20,157
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations |  |  | (3) | 11 | (3) | 12 | 51
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total |  |  | (8,900) | (421) | (315) | 20,682 | (27,644)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance |  |  | 25,860 | 26,175 | 26,175 | 5,493 | 33,137
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Ending Balance | 16,960 | 25,754 | 16,960 | 25,754 | 25,860 | 26,175 | 5,493
Supplemental Cash Flow Information [Abstract] |  |  |  |  |  |  |
Interest Paid, Excluding Capitalized Interest, Operating Activities |  |  | 5,539 | 6,079 | 12,314 | 8,701 | 9,140
Income Taxes Paid, Net |  |  | 1,304 | 831 | 1,776 | 1,418 | 944
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Capital Expenditures Incurred but Not yet Paid |  |  | 312 | 689 | 661 | 1,049 | 147
Litigation Settlement Paid With Insurance Proceeds |  |  |  |  |  | 0 |
Paid-in-Kind Interest |  |  | 1,844 | 777 | 2,314 | 319 | 0
Deemed Dividend |  |  |  |  |  | 0 |
Cash and Cash Equivalents, at Carrying Value | 16,719 | 25,574 | 16,719 | 25,574 | 25,692 | 25,963 | 5,210
Restricted Cash and Cash Equivalents, Current | $ 241 | $ 180 | $ 241 | 180 | 168 | 212 | 283
Service Inventory [Member] |  |  |  |  |  |  |
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Transfer of manufacturing inventory |  |  |  |  | 341 | 4,045 | 211
Property And Equipment [Member] |  |  |  |  |  |  |
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Transfer of manufacturing inventory |  |  |  |  | 264 | 343 | 818
Previously Reported [Member] |  |  |  |  |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  |  |  |  |  | (37,943) | (32,280)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |  |  |  |
Depreciation, Depletion and Amortization |  |  |  |  |  | 10,118 | 9,418
Amortization of Debt Issuance Costs |  |  |  |  |  | 1,624 | 2,414
Long-Term Debt Restatement Costs |  |  |  |  |  | 992 | 8,471
Service Parts Inventory Write Down |  |  |  |  |  | 18,052 | 5,740
Gain (Loss) On Loan Forgiveness |  |  |  |  |  |  | (10,000)
Share-Based Payment Arrangement, Noncash Expense |  |  |  |  |  | 10,750 | 13,829
Fair Value Adjustment of Warrants |  |  |  |  |  | 0 | 0
Other Operating Activities, Cash Flow Statement |  |  |  |  |  | (2,067) | (832)
Increase (Decrease) in Operating Capital [Abstract] |  |  |  |  |  |  |
Increase (Decrease) in Accounts Receivable |  |  |  |  |  | (2,966) | 3,651
Increase (Decrease) In Manufacturing Inventories Net |  |  |  |  |  | (1,839) | (12,069)
Increase (Decrease) In Service Parts Inventories Net |  |  |  |  |  | (3,503) | (4,400)
Increase (Decrease) in Accounts Payable |  |  |  |  |  | 1,158 | (1,939)
Increase (Decrease) in Prepaid Expense |  |  |  |  |  | 3,695 | (3,959)
Increase (Decrease) in Contract with Customer, Liability |  |  |  |  |  | (2,286) | (2,514)
Increase (Decrease) in Restructuring Reserve |  |  |  |  |  |  | (580)
Increase (Decrease) in Employee Related Liabilities |  |  |  |  |  | (431) | (3,073)
Increase (Decrease) in Other Operating Assets |  |  |  |  |  | (1,270) | (2,602)
Increase (Decrease) in Other Operating Liabilities |  |  |  |  |  | 1,022 | (3,003)
Net Cash Provided by (Used in) Operating Activities, Total |  |  |  |  |  | (4,894) | (33,728)
Net Cash Provided by (Used in) Investing Activities [Abstract] |  |  |  |  |  |  |
Payments to Acquire Property, Plant, and Equipment |  |  |  |  |  | (12,581) | (6,316)
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  | (3,020) | (7,808)
Net Cash Provided by (Used in) Investing Activities, Total |  |  |  |  |  | (15,601) | (14,124)
Net Cash Provided by (Used in) Financing Activities [Abstract] |  |  |  |  |  |  |
Proceeds from Issuance of Secured Debt |  |  |  |  |  | 0 | 94,961
Repayments of Secured Debt |  |  |  |  |  | (24,596) | (94,301)
Proceeds from Lines of Credit |  |  |  |  |  | 497,280 | 309,000
Repayments of Lines of Credit |  |  |  |  |  | (498,665) | (291,265)
Proceeds from Other Short-Term Debt |  |  |  |  |  | 0 |
Proceeds From Issuance Shares Net Of Offering Cost |  |  |  |  |  | 0 |
Payment, Tax Withholding, Share-Based Payment Arrangement |  |  |  |  |  | 0 |
Proceeds from Issuance of Common Stock |  |  |  |  |  | 67,146 | 1,762
Net Cash Provided by (Used in) Financing Activities, Total |  |  |  |  |  | 41,165 | 20,157
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations |  |  |  |  |  | 12 | 51
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total |  |  |  |  | 20,682 |  | (27,644)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance |  |  |  | 26,175 | 26,175 | 5,493 | 33,137
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Ending Balance |  |  |  |  |  | 26,175 | 5,493
Supplemental Cash Flow Information [Abstract] |  |  |  |  |  |  |
Interest Paid, Excluding Capitalized Interest, Operating Activities |  |  |  |  |  | 8,701 | 9,140
Income Taxes Paid, Net |  |  |  |  |  | 1,418 | 944
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Capital Expenditures Incurred but Not yet Paid |  |  |  |  |  | 1,049 | 147
Paid-in-Kind Interest |  |  |  |  |  | 319 |
Deemed Dividend |  |  |  |  |  | 389 |
Cash and Cash Equivalents, at Carrying Value |  |  |  |  |  | 25,963 | 5,210
Restricted Cash and Cash Equivalents, Current |  |  |  |  |  | 212 | 283
Previously Reported [Member] | Service Inventory [Member] |  |  |  |  |  |  |
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Transfer of manufacturing inventory |  |  |  |  |  | 4,045 | 211
Previously Reported [Member] | Property And Equipment [Member] |  |  |  |  |  |  |
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Transfer of manufacturing inventory |  |  |  |  |  | 343 |
Revision of Prior Period, Adjustment [Member] |  |  |  |  |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent |  |  |  |  |  | 19,575 | 70,635
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] |  |  |  |  |  |  |
Depreciation, Depletion and Amortization |  |  |  |  |  | 0 | 0
Amortization of Debt Issuance Costs |  |  |  |  |  | 0 | 0
Long-Term Debt Restatement Costs |  |  |  |  |  | 0 | 0
Service Parts Inventory Write Down |  |  |  |  |  | 0 | 0
Gain (Loss) On Loan Forgiveness |  |  |  |  |  |  | 0
Share-Based Payment Arrangement, Noncash Expense |  |  |  |  |  | 0 |
Fair Value Adjustment of Warrants |  |  |  |  |  | (10,250) | (60,030)
Other Operating Activities, Cash Flow Statement |  |  |  |  |  | 0 | 0
Increase (Decrease) in Operating Capital [Abstract] |  |  |  |  |  |  |
Increase (Decrease) in Accounts Receivable |  |  |  |  |  | 0 | 0
Increase (Decrease) In Manufacturing Inventories Net |  |  |  |  |  | 0 | 0
Increase (Decrease) In Service Parts Inventories Net |  |  |  |  |  | 0 | 0
Increase (Decrease) in Accounts Payable |  |  |  |  |  | 0 | 0
Increase (Decrease) in Prepaid Expense |  |  |  |  |  | 0 | 0
Increase (Decrease) in Contract with Customer, Liability |  |  |  |  |  | (9,325) | (10,605)
Increase (Decrease) in Restructuring Reserve |  |  |  |  |  |  | 0
Increase (Decrease) in Employee Related Liabilities |  |  |  |  |  | 0 | 0
Increase (Decrease) in Other Operating Assets |  |  |  |  |  | 0 | 0
Increase (Decrease) in Other Operating Liabilities |  |  |  |  |  | 0 | 0
Net Cash Provided by (Used in) Operating Activities, Total |  |  |  |  |  | 0 | 0
Net Cash Provided by (Used in) Investing Activities [Abstract] |  |  |  |  |  |  |
Payments to Acquire Property, Plant, and Equipment |  |  |  |  |  | 0 | 0
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  | 0 | 0
Net Cash Provided by (Used in) Investing Activities, Total |  |  |  |  |  | 0 | 0
Net Cash Provided by (Used in) Financing Activities [Abstract] |  |  |  |  |  |  |
Proceeds from Issuance of Secured Debt |  |  |  |  |  | 0 | 0
Repayments of Secured Debt |  |  |  |  |  | 0 | 0
Proceeds from Lines of Credit |  |  |  |  |  | 0 | 0
Repayments of Lines of Credit |  |  |  |  |  | 0 | 0
Proceeds from Other Short-Term Debt |  |  |  |  |  | 0 |
Proceeds From Issuance Shares Net Of Offering Cost |  |  |  |  |  | 0 |
Payment, Tax Withholding, Share-Based Payment Arrangement |  |  |  |  |  | 0 |
Proceeds from Issuance of Common Stock |  |  |  |  |  | 0 |
Net Cash Provided by (Used in) Financing Activities, Total |  |  |  |  |  | 0 | 0
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations |  |  |  |  |  | 0 | 0
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total |  |  |  |  | 0 |  | 0
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance |  |  |  | $ 0 | $ 0 | 0 | 0
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Ending Balance |  |  |  |  |  | 0 | 0
Supplemental Cash Flow Information [Abstract] |  |  |  |  |  |  |
Interest Paid, Excluding Capitalized Interest, Operating Activities |  |  |  |  |  | 0 | 0
Income Taxes Paid, Net |  |  |  |  |  | 0 | 0
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Capital Expenditures Incurred but Not yet Paid |  |  |  |  |  | 0 | 0
Paid-in-Kind Interest |  |  |  |  |  | 0 |
Deemed Dividend |  |  |  |  |  | (389) |
Cash and Cash Equivalents, at Carrying Value |  |  |  |  |  | 0 | 0
Restricted Cash and Cash Equivalents, Current |  |  |  |  |  | 0 | 0
Revision of Prior Period, Adjustment [Member] | Service Inventory [Member] |  |  |  |  |  |  |
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Transfer of manufacturing inventory |  |  |  |  |  | 0 | $ 0
Revision of Prior Period, Adjustment [Member] | Property And Equipment [Member] |  |  |  |  |  |  |
Other Noncash Investing and Financing Items [Abstract] |  |  |  |  |  |  |
Transfer of manufacturing inventory |  |  |  |  |  | $ 0 |

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