Income Taxes (Tables) |
12 Months Ended |
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Dec. 31, 2021 | |
| Income Taxes [Abstract] | |
| Income Tax (Benefit) Expense by Jurisdiction | Year Ended December 31 2021 2020Current year income taxes (benefit): Federal $ 6,000 $ (9,000)State 19,000 14,000 25,000 5,000 Deferred income taxes: Federal $ — $ 10,000 — 10,000 Income tax expense (benefit) $ 25,000 $ 15,000 |
| Reconciliation of Effective Tax Rate, by Percentage | Year Ended December 31 2021 2020Tax at U.S. statutory rate 21.0% 21.0%State income taxes, net of federal benefit (0.3) (0.4)Foreign income taxes, net of foreign tax credits — —Other nondeductible items 3.8 (1.0)Change in valuation allowance (22.2) (22.5)Other (2.6) 2.6Effective tax rate (0.3)% (0.3)% |
| Schedule of Deferred Tax Assets and Liabilities | 2021 2020Deferred tax assets: Allowance for doubtful accounts$ 12,000 $ 26,000Inventory 21,000 798,000Accrued and prepaid expenses 139,000 313,000Lease liability 43,000 70,000Domestic net operating loss carry-forward 2,684,000 2,959,000Capital loss carry-forward — 439,000Nonemployee director stock compensation 616,000 552,000Other stock compensation — 82,000Foreign net operating loss carry-forwards and credits 1,418,000 3,261,000Federal and state credits 367,000 767,000Other 386,000 19,000 Gross deferred tax assets 5,686,000 9,286,000Valuation allowance (5,210,000) (8,728,000) Net deferred tax assets 476,000 558,000 Deferred tax liabilities Depreciation (303,000) (318,000)Intangible assets (136,000) (175,000)Lease right-of-use asset (37,000) (65,000) Net deferred tax liability (476,000) (558,000) Total net deferred tax asset$ — $ — |
| Summary of Uncertain Tax Positions | 2021 2020Uncertain tax positions – January 1 $ 115,000 $ 101,000Gross increases - current period tax positions (2,000) 14,000Uncertain tax positions – December 31, 2021 $ 113,000 $ 115,000 |
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- References No definition available.
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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Tabular disclosure of the change in unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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