Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (7,129)	$ (5,995)	$ (14,576)	$ (11,348)	$ (30,600)
Adjustments to reconcile net loss to net cash used in operating activities:
Provision for inventory			139	56
Depreciation and amortization			613	465
Amortization of operating lease right-of-use assets			268	286
Provision for doubtful accounts			263	0
Stock-based compensation			2,916	1,219
Interest cost			0	4
Gain on sale of equipment			(48)	(110)
Loss in joint venture			1,581	1,266
Changes in fair value of derivative instruments			171	0
Changes in operating assets and liabilities:
Accounts receivable			(437)	941
Inventory			(1,509)	(2,692)
Prepaid expenses and other current assets			426	(97)
Other assets			74	(521)
Accounts payable, accrued expenses, and other liabilities			(2,615)	904
Deferred revenue			0	(83)
Accrued payroll and benefits			99	160
Operating lease liabilities			(245)	(263)
Net cash used in operating activities			(12,880)	(9,813)
Cash flows from investing activities:
Purchases of property and equipment			(590)	(4,026)
Proceeds from sale of equipment			48	110
Investment in joint venture			(807)	(1,537)
Net cash used in investing activities			(1,349)	(5,453)
Cash flows from financing activities:
Proceeds from stock option exercise			0	56
Proceeds from issuance of common stock			9,936	16,000
Cost associated with issuance of common stock and warrants			(117)	(280)
Payment for taxes related to net share settlement of restricted stock units			(288)	(6)
Proceeds from exercise of stock warrants			7,263	0
Loan repayment			(12,000)	0
Net cash provided by financing activities			4,794	15,770
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash			(440)	(443)
Net (decrease) increase in cash, cash equivalents and restricted cash			(9,875)	61
Cash, cash equivalents and restricted cash at beginning of period			16,027	33,435	33,435
Cash and cash equivalents at end of period	6,152	33,496	6,152	33,496	15,527
Restricted cash at end of period	0	500	0	500
Cash, cash equivalents and restricted cash at end of period	$ 6,152	$ 33,996	6,152	33,996	$ 16,027
Supplemental disclosures of cash flow information:
Interest expense paid			188	362
Supplemental non-cash investing activity:
Property and equipment in accounts payable and accrued expenses			58	0
Supplemental non-cash financing activity:
Stock warrant exercise and deemed dividend related to warrant modification			753	0
Deemed dividend related to issuance of Inducement Warrants			4,859	0
Rights offering costs in accounts payable and accrued liabilities			345	0
Operating lease right-of-use asset obtained in exchange for operating lease liabilities			$ 0	$ 3,598