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Income Taxes (Details 2) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred Tax Assets: |  |
Accrued expenses | $ 507,000 | $ 376,000
Inventory reserve | 23,000 | 9,000
Stock-based awards | 31,000 | 65,000
Reserve for bad debts | 88,000 | 33,000
Net operating loss and credit carryforwards | 2,507,000 | 1,422,000
Other | 33,000 | 47,000
Depreciation | 33,000 | 52,000
Valuation allowance | (3,146,000) | (1,946,000)
Total deferred tax assets | 76,000 | 58,000
Deferred Tax Liabilities: |  |
Prepaid expenses | (76,000) | (58,000)
Total deferred tax liabilities | (76,000) | (58,000)
Net deferred income tax liabilities | $ 0 | $ 0

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