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Income Taxes | 12 Months Ended
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Dec. 31, 2021
Income Tax Disclosure [Abstract] |
Income Taxes | (5) Income Taxes Since inception, the Company has incurred losses from operations and as a result has not recorded income tax expense. Benefits related to net operating loss carryforwards and deferred items have been fully reserved because it is not more likely than not that the Company will achieve profitable operations. The difference between the total income taxes at the federal statutory rate for each of the years ended December 31, 2021 and 2020 and the fact that no income tax benefit was recorded in each of these years is attributable to the change in the valuation allowance recorded in each year. 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 |  | $ | - |  |  | $ | - |
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 |  | $ | - |  |  | $ | - |
In assessing the realizability of deferred tax assets, the Company considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon future taxable income during the period in which those temporary differences become deductible. The Company considers the scheduled reversal of deferred tax liabilities, projected future taxable income, and tax planning strategies in making this assessment. Based upon its historical operating losses, utilization of deferred tax assets cannot currently be determined. Accordingly, the Company has recorded a full valuation allowance against the deferred tax assets due to the uncertainty regarding the future utilization of the deferred tax assets for all periods presented. At December 31, 2021, the Company had net operating loss carryforwards for federal income tax purposes of approximately $65,953,000. Net operating loss carryforwards accumulated through December 31, 2017 of approximately $57,118,000 will expire in varying amounts from 2022 through 2037. Net operating losses generated in 2018, 2019, 2020 and 2021, totaling approximately $8,835,000, will carry forward indefinitely, but cannot offset more than 80 percent of taxable income. Research and other credit carryforwards of approximately $945,000 are available to the Company to reduce income taxes payable in future years principally through 2040. The Company’s ability to utilize its net operating loss carryforwards and its current year tax credits in future periods could be subject to the 382 limitation. The Company will need to complete an analysis to determine whether its net operating losses are subject to the 382 limitation.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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