Condensed Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash Flows From Operating Activities
Net income	$ 1,474,000	$ 155,000
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation	202,000	202,000
Amortization of finite-life intangible assets	18,000	12,000
Share-based compensation expense	697,000	371,000
Changes in operating assets and liabilities:
Accounts receivable	967,000	675,000
Contract assets	(35,000)	(57,000)
Inventories	278,000	(240,000)
Prepaid expenses and other assets	(266,000)	901,000
Income tax payable, net	(89,000)	(226,000)
Accounts payable and accrued liabilities	806,000	(863,000)
Accrued compensation	(1,743,000)	(1,174,000)
Net cash provided by (used for) operating activities	2,309,000	(244,000)
Cash Flows From Investing Activities
Expenditures for property and equipment	(37,000)	(109,000)
Expenditures for finite-life intangible assets	(21,000)	(24,000)
Net cash used for investing activities	(58,000)	(133,000)
Cash Flows From Financing Activities
Issuance of common stock upon exercise of options	84,000	29,000
Taxes paid on net share settlement of stock awards	(15,000)
Repurchase of common stock	(4,536,000)
Net cash (used for) provided by financing activities	(4,467,000)	29,000
Net decrease in cash	(2,216,000)	(348,000)
Cash and cash equivalents
Beginning of period	16,080,000	7,372,000
End of period	13,864,000	7,024,000
Supplemental Disclosures of Cash Flow Information
Cash paid for income taxes	752,000	251,000
Supplemental Disclosures of Noncash Investing and Financing Activities
Property and equipment acquisitions in accounts payable	7,000	34,000
Demonstration equipment returned to inventory		19,000
Taxes owed on net share settlement of stock awards in accrued liabilities	740,000
Issuance of common stock upon the vesting of performance-based stock units	$ 1,000