Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (7,447)	$ (5,353)	$ (30,600)
Adjustments to reconcile net loss to net cash used in operating activities:
Provision for inventory	2	37
Depreciation and amortization	270	226
Amortization of operating lease right-of-use assets	131	150
Stock-based compensation	2,003	583
Interest cost	0	2
Gain on sale of equipment	(48)	(100)
Loss in joint venture	860	582
Changes in fair value of derivative instruments	124	0
Changes in operating assets and liabilities:
Accounts receivable	(2,519)	(645)
Inventory	(481)	(670)
Prepaid expenses and other current assets	670	(604)
Other assets	29	(28)
Accounts payable, accrued expenses, and other liabilities	(2,017)	1,086
Deferred revenue	0	8
Accrued payroll and benefits	(230)	(51)
Operating lease liabilities	(120)	(136)
Net cash used in operating activities	(8,773)	(4,913)
Cash flows from investing activities:
Advances and purchases of property and equipment	0	(723)
Proceeds from sale of equipment	48	100
Investment in joint venture	(807)	(778)
Net cash used in investing activities	(759)	(1,401)
Cash flows from financing activities:
Proceeds from stock option exercise	0	20
Proceeds from issuance of common stock	2,000	16,000
Cost associated with issuance of common stock and warrants	(122)	(280)
Payment for taxes related to net share settlement of restricted stock units	(1)	0
Proceeds from exercise of stock warrants	7,263	0
Loan repayment	(12,000)	0
Net cash (used in) provided by financing activities	(2,860)	15,740
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(324)	(248)
Net (decrease) increase in cash, cash equivalents and restricted cash	(12,716)	9,178
Cash, cash equivalents and restricted cash at beginning of period	16,027	33,435	33,435
Cash and cash equivalents at end of period	3,311	42,613	15,527
Restricted cash at end of period	0	500
Cash, cash equivalents and restricted cash at end of period	3,311	43,113	$ 16,027
Supplemental disclosures of cash flow information:
Interest expense paid	188	180
Supplemental non-cash investing activity:
Property and equipment in accounts payable and accrued expenses	342	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	4,858	0
Operating lease right-of-use asset obtained in exchange for operating lease liabilities	$ 0	$ 3,598