Income Taxes (Details 3) - USD ($)	Jun. 30, 2024	Jun. 30, 2023
Deferred tax assets:
Net operating loss and credit carryforwards	$ 9,544,000	$ 9,243,000
Stock-based compensation	275,000	340,000
R&D and other credits	1,935,000	1,787,000
Capitalized R&D expenses	887,000	763,000
Inventories	200,698	200,000
Accrued expenses and other	150,000	15,000
Gross deferred tax assets	12,991,698	12,348,000
Valuation allowance for deferred tax assets	(12,083,000)	(11,057,000)
Total deferred tax assets	908,698	1,291,000
Deferred tax liabilities:
Depreciation and other	(602,895)	(740,000)
Intangible assets	(509,000)	(876,000)
Total deferred tax liabilities	(1,111,895)	(1,616,000)
Net deferred tax asset	$ (203,197)	$ (325,000)