Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net loss	$ (11,666)	$ (9,642)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	1,478	1,498
Depreciation	731	366
Amortization of operating lease right-of-use assets	143	123
Interest on financing leases	13	15
Loss on disposal of asset	0	25
Changes in assets and liabilities:
Accounts receivable	148	(169)
Contract asset	0	2
Inventory, net	(479)	(477)
Income tax receivable	0	(1)
Accounts payable	(173)	377
Other assets and liabilities	246	390
Income taxes payable	1	(2)
Repayment of financing liability in connection with internal-use software	(14)	0
Operating lease liabilities	(153)	(130)
Net cash used in operating activities	(9,725)	(7,625)
Cash flows from investing activities:
Purchases of property and equipment	(579)	(1,844)
Purchases of short-term investments	0	(5,140)
Proceeds from short-term investments	6,719	3,140
Net cash provided by (used in) investing activities	6,140	(3,844)
Cash flows from financing activities:
Purchase of treasury shares	0	(119)
Repayment of related-party debt	0	(500)
Repayments on finance lease liabilities	(181)	(157)
Net cash used in financing activities	(181)	(776)
Net change in cash and cash equivalents	(3,766)	(12,245)
Cash and cash equivalents at beginning of period	14,208	26,453
Cash and cash equivalents at end of period	10,442	14,208
Supplemental disclosures of cash flow information:
Cash paid for interest	26	69
Acquisition of equipment/ software through financing lease	245	119
Operating right-of-use assets and associated liabilities	0	223
Income taxes paid	$ 2	$ 2