Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (3,278)	$ (2,912)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	216	364
Depreciation	232	149
Amortization of operating lease right-of-use assets	36	36
Interest on financing leases	2	4
Changes in assets and liabilities:
Accounts receivable	(14)	(166)
Inventory, net	(224)	(195)
Income tax receivable	0	1
Accounts payable	276	100
Other assets and liabilities	(863)	(394)
Repayment of financing liability in connection with internal-use software	(28)	0
Operating lease liabilities	(41)	(37)
Net cash used in operating activities	(3,686)	(3,050)
Cash flows from investing activities:
Purchases of property and equipment	(193)	(24)
Proceeds from short-term investments	0	2,001
Net cash (used in) provided by investing activities	(193)	1,977
Cash flows from financing activities:
Repayments on finance lease liabilities	(45)	(45)
Net cash used in financing activities	(45)	(45)
Net change in cash and cash equivalents	(3,924)	(1,118)
Cash and cash equivalents at beginning of period	10,442	14,208
Cash and cash equivalents at end of period	6,518	13,090
Supplemental disclosures of cash flow information:
Cash paid for interest	4	4
Income taxes paid	$ 1	$ 2