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Income Taxes (Details 1) - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Income Taxes    
Inventory capitalization $ 0 $ 8,000
Inventory allowance 66,000 72,000
Allowance for doubtful accounts 1,000 1,000
Accrued compensation 18,000 18,000
Stock based compensation 149,000 160,000
Deferred wages payable 19,000 21,000
Depreciation - property, plant & equipment (19,000) (24,000)
Research and development credits 24,000 24,000
Net operating loss carry-forward 2,916,000 2,631,000
Total gross deferred income tax assets 3,174,000 2,911,000
Less: valuation allowance (3,174,000) (2,911,000)
Net deferred income tax assets $ 0 $ 0