Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2022
Cash flows from operating activities:
Net loss	$ (10,460)	$ (4,164)	$ (21,808)	$ (5,236)
Adjustments to reconcile net loss to net cash used in operating activities:
Inventory write-off	2,800	8	2,810	202
Depreciation and amortization			719	621
Amortization of operating lease right-of-use assets			425	0
Perpetual licensing revenue from a related party (Note 14)			0	(8,000)
Stock-based compensation			2,342	1,856
Interest cost			4	295
Gain on promissory note conversion			0	(1,222)
Gain on sale of equipment			(110)	0
Loss in joint venture			2,065	1,839
Changes in fair value of derivative instruments			75	0
Changes in fair value of promissory note	0	0	0	(605)
Changes in operating assets and liabilities:
Accounts receivable			(1,221)	(871)
Inventory			(3,956)	(3,935)
Prepaid expenses and other current assets			401	204
Other assets			(504)	(8)
Accounts payable and accrued expenses			428	1,359
Deferred revenue			(346)	(238)
Accrued payroll and benefits			486	(171)
Operating lease liabilities			(392)	0
Net cash used in operating activities	8,800		(18,582)	(13,910)
Cash flows from investing activities:
Advances and purchases of property and equipment			(5,633)	(690)
Proceeds from sale of equipment			110	0
Investment in joint venture			(2,569)	(3,765)
Net cash used in investing activities			(8,092)	(4,455)
Cash flows from financing activities:
Proceeds from stock option exercise			709	134
Proceeds from issuance of common stock			16,000	49,773
Cost associated with issuance of common stock			(280)	0
Payment for taxes related to net share settlement of restricted stock units			(6)	0
Net cash provided by financing activities			16,423	49,907
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash			(35)	(75)
Net (decrease) increase in cash, cash equivalents and restricted cash			(10,286)	31,467
Cash, cash equivalents and restricted cash at beginning of period			33,935	9,500	$ 9,500
Cash and cash equivalents	23,149	40,467	23,149	40,467	33,435
Restricted cash at end of period	500	500	500	500
Cash, cash equivalents and restricted cash at end of period	$ 23,649	$ 40,967	23,649	40,967	$ 33,935
Supplemental disclosures of cash flow information:
Interest expense paid			546	316
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