Consolidated Statements of Cash Flows $ in Thousands	12 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Cash flows from operating activities:
Loss from continuing operations	$ (90,370)	$ (107,488)
Income from discontinued operations	0	2,089
Net loss	(90,370)	(105,399)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,197	11,103
Provision for allowance for doubtful accounts	1,078	761
Inventory lower-of-cost or net realizable value adjustments	0	821
Stock-based compensation expense	3,688	3,885
Gain on asset dispositions	(9,021)	(2)
Loss on debt extinguishment	353	228
Goodwill and asset impairment charge	39,635	26,965
Deferred income taxes, net of valuation allowances	868	8,958
Reorganization items	534	0
Other	1,631	691
Changes in operating assets and liabilities:
Trade receivables	8,864	39,247
Inventories	13,986	64,954
Prepaids and other assets	4,432	11,077
Income taxes receivable	581	221
Trade payables	25,621	(22,061)
Liability-classified stock-based compensation expense	(24)	24
Accrued liabilities and other liabilities, including warranty obligations	(6,936)	(22,627)
Net cash provided by operating activities	6,117	18,846
Cash flows from investing activities:
Proceeds from sale of equity investment	2,350	0
Proceeds from sale of intellectual property	10,500	0
Purchases of property, plant and equipment and capitalized software development	(2,891)	(12,618)
Net cash provided by (used in) investing activities	9,959	(12,618)
Cash flows from financing activities:
Proceeds from long-term debt	17,200	88,261
Payments on long-term debt	(32,101)	(89,660)
Payment of debt issuance costs	(1,400)	(2,153)
Early termination of debt	(353)	0
Payments on finance lease liabilities	(120)	(119)
Proceeds from public offering net of transaction costs	4,547	0
Proceeds from employee stock purchases	64	213
Tax payments related to stock award issuances	(123)	(497)
Net cash used in financing activities	(12,286)	(3,955)
Effect of exchange rate changes	(170)	(2,059)
Net increase in cash and restricted cash	3,620	214
Cash and restricted cash at beginning of period	18,312	18,098
Cash and restricted cash at end of period	21,932	18,312
Supplemental disclosure of cash flow information:
Cash (received) paid for income taxes, net	(57)	255
Cash paid for interest	2,290	2,886
Capital expenditures incurred but not yet paid	39	379
Cash	8,658	17,362
Restricted cash	13,274	950
Total cash and restricted cash	$ 21,932	$ 18,312