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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Tax Disclosure [Abstract] |
Schedule of Deferred Tax Assets | The tax effects of temporary differences that give rise to significant portions of the deferred tax assets at December 31, 2021 and 2020 are presented below: Schedule of Deferred Tax Assets
|  | 2021 |  |  | 2020 |
Deferred tax assets: |  |  |  |  |  |  |  |
Depreciation |  | $ | 106,000 |  |  | $ | 117,000 |
Allowance for bad debts |  |  | 218,000 |  |  |  | 202,000 |
Net operating loss carryforwards |  |  | 14,114,000 |  |  |  | 14,755,000 |
Stock option expense |  |  | 355,000 |  |  |  | 403,000 |
Research and other credits |  |  | 945,000 |  |  |  | 952,000 |
Other temporary differences |  |  | 15,000 |  |  |  | 15,000 |
Total gross deferred tax assets |  |  | 15,753,000 |  |  |  | 16,444,000 |
Less valuation allowance |  |  | (15,753,000 | ) |  |  | (16,444,000 | )
Deferred tax assets, net |  | $ | - |  |  | $ | - |
Schedule of Reconciliation Income Tax Expenses Benefit | The reconciliation of the income tax expense (benefit) computed at the federal statutory tax rates to income tax expense (benefit) is as follows: Schedule of Reconciliation Income Tax Expenses Benefit
|  | 2021 |  |  | 2020 |
Income tax provision at federal statutory rate |  | $ | (388,000 | ) |  | $ | (485,000 | )
Permanent differences |  |  | - |  |  |  | (43,000 | )
Expired carryforwards and other |  |  | 1,079,000 |  |  |  | 1,211,000 |
Valuation allowance |  |  | (691,000 | ) |  |  | (683,000 | )
Total income tax provision |  | $ | - |  |  | $ | - |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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