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A reconciliation of income tax benefit to the amount computed by applying the Federal income tax rate to loss before provision for income taxes as of December 31, 2023 and 2022 is as follows: (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income tax credit at statutory rates	$ (921)	$ (551)
Over/Under Accrual of Income Taxes	(3)	(17)
Nondeductible Expenses	23
Record Tax Credits	(118)
Permanent tax deduction stock options exercised	(63)	(273)
State income tax, net of federal benefits	(165)	(124)
Expiration of NOL & credits	1,492	1,149
Effect of change in deferred tax rate	45	69
Expiration of stock options	60	75
Other		2
Change in valuation allowance	(344)	(347)
	$ 6	$ (17)

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