Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net loss	$ (30,598)	$ (10,235)
Adjustments to reconcile net loss to net cash used in operating activities:
Provision for inventory	3,127	196
Depreciation and amortization	968	843
Amortization of right-of-use assets	566	0
Perpetual licensing revenue from a related party (Note 18)	0	(8,000)
Stock-based compensation	3,199	2,614
Interest cost	0	107
Gain on promissory note conversion	0	(1,222)
Gain on sale of equipment	(106)	0
Loss in joint venture	2,724	2,516
Changes in fair value of derivative instruments	(14)	0
Changes in fair value of promissory note	0	(605)
Changes in operating assets and liabilities:
Accounts receivable	(1,838)	(940)
Inventory	(5,203)	(4,303)
Prepaid expenses and other current assets	125	(518)
Other assets	(463)	11
Accounts payable, accrued expenses, and other liabilities	1,586	198
Deferred revenue	(346)	(159)
Accrued payroll and benefits	288	(239)
Operating lease liabilities	(524)	0
Net cash used in operating activities	(26,509)	(19,736)
Cash flows from investing activities:
Purchases of property and equipment	(6,936)	(595)
Proceeds from sale of equipment	111	0
Investment in joint venture	(3,321)	(4,526)
Net cash used in investing activities	(10,146)	(5,121)
Cash flows from financing activities:
Proceeds from stock option exercise	710	221
Proceeds from issuance of common stock	16,000	50,900
Cost associated with issuance of common stock	(280)	(1,127)
Payment for taxes related to net share settlement of restricted stock units	(546)	(768)
Proceeds from exercise of warrants	2,950	272
Net cash provided by financing activities	18,834	49,498
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(87)	(206)
Net (decrease) increase in cash, cash equivalents and restricted cash	(17,908)	24,435
Cash, cash equivalents and restricted cash at beginning of year	33,935	9,500
Cash, cash equivalents and restricted cash at end of year	16,027	33,935
Reconciliation of cash, cash equivalents, and restricted cash to the consolidated balance sheets
Cash and cash equivalents	15,527	33,435
Restricted cash	500	500
Cash, cash equivalents and restricted cash at end of period	16,027	33,935
Supplemental disclosures of cash flow information:
Interest expense paid	730	685
Supplemental non-cash investing activity:
Equipment purchases	0	250
Supplemental non-cash financing activity:
Issuance of shares in connection with a service contract	0	500
Operating lease right-of-use asset obtained in exchange for operating lease liabilities	3,598	0
Development loan reduction related to perpetual licensing revenue	0	8,000
Conversion of promissory note	$ 0	$ 15,600