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Schedule of Deferred Tax Assets (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Depreciation | $ 110,000 | $ 109,000
Allowance for bad debts | 263,000 | 248,000
Net operating loss carry-forwards | 12,939,000 | 13,561,000
Stock option expense | 257,000 | 334,000
Research and other credits | 834,000 | 891,000
Lease liability | 56,000 | 99,000
Amortization | 225,000 | 130,000
Other | 35,000 |
Total gross deferred tax assets | 14,719,000 | 15,372,000
Lease liability | 38,000 | 69,000
Total gross deferred tax liabilities | 38,000 | 69,000
Valuation allowance | (14,681,000) | (15,303,000)
Net deferred tax |  |

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