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 income (loss)	$ 2,466	$ (615)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	302	283
Share-based compensation	113	188
Unrealized (gain) loss on marketable equity investments	(433)	2,553
Non-cash lease (recovery)	(5)	(2)
Amortization of loan fees	10	4
Credit loss expense	3
Changes in operating assets and liabilities:
Accounts receivable and other receivables	428	(1,082)
Deferred costs	51	(97)
Inventory	(1,335)	(97)
Prepaid expenses and other assets	(69)	95
Accounts payable and accrued expenses	579	35
Deferred revenue	(14)
Income taxes	(209)	(873)
Net cash provided by operating activities	1,887	392
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of equipment and improvements	(431)	(126)
Net cash used in investing activities	(431)	(126)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on notes payable	(3,427)	(1,330)
Proceeds from Minnesota Bank & Trust loans, net of origination fees	4,990
Proceeds from stock option exercises and ESPP contributions	15	32
Payments of employee taxes on net issuance of common stock	(273)
Repurchases of common stock	(2,311)
Net cash used in financing activities	(1,006)	(1,298)
Net increase (decrease) in cash and cash equivalents	450	(1,032)
Cash and cash equivalents, beginning of period	2,631	2,936
Cash and cash equivalents, end of period	3,081	1,904
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	162	140
Cash paid during the period for income taxes:
Federal income tax payments	690	565
California income tax payments	372	74
Massachusetts income tax payments		21
Total income tax payments	$ 1,062	$ 660