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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Tax Disclosure [Abstract] |
A reconciliation of income tax expense to the amount computed by applying the Federal income tax rate to loss before provision for income taxes as of December 31, 2021 and 2020 is as follows: | A reconciliation of income tax expense to the amount computed by applying the Federal income tax rate to loss before provision for income taxes as of December 31, 2021 and 2020 is as follows:
|  | 2021 |  |  | 2020 |
Income tax credit at statutory rates |  | $ | 495 |  |  | $ | 208 |
Nondeductible expenses |  |  | — |  |  |  | 5 |
Tax Exempt Income - PPP Loan |  |  | (271 | ) |  |  | — |
Permanent Tax Deduction Stock Options Exercised |  |  | (63 | ) |  |  | — |
State income tax, net of federal benefits |  |  | 177 |  |  |  | 74 |
Expiration of NOL & Credits |  |  | 899 |  |  |  | 2,543 |
Tax basis in excess of book Convertible Debt |  |  | — |  |  |  | — |
Expiration of Stock Options |  |  | 92 |  |  |  | 122 |
Other |  |  | 2 |  |  |  | (7 | )
Change in valuation allowance |  |  | (1,294 | ) |  |  | (2,945 | )
TOTAL |  | $ | 37 |  |  |  | — |
Significant components of our deferred income taxes consist of the following: | Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of our deferred income taxes consist of the following:
|  | As of December 31, |
|  | 2021 |  |  | 2020 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Excess tax basis convertible debt |  | $ | — |  |  |  | (257 | )
Total deferred tax liabilities |  |  | — |  |  |  | (257 | )
Deferred tax assets: |  |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 14,566 |  |  | $ | 15,597 |
Inventory and other allowances |  |  | 148 |  |  |  | 23 |
Charitable contribution & other carryforwards |  |  | — |  |  |  | 9 |
Excess (tax) book depreciation |  |  | 31 |  |  |  | 375 |
Excess (tax) book amortization |  |  | 63 |  |  |  | 61 |
Share-based compensation |  |  | 308 |  |  |  | 624 |
Other accrued costs |  |  | 161 |  |  |  | 138 |
Total deferred tax assets |  |  | 15,277 |  |  |  | 16,827 |
Less: Valuation allowance |  |  | (15,277 | ) |  |  | (16,570 | )
Deferred income taxes |  | $ | — |  |  | $ | — |

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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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