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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Taxes |
Schedule of consolidated income before taxes for domestic and foreign operations |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Domestic |  | $ | (6,201 | ) |  | $ | (4,574 | )
Foreign |  |  | (1,776 | ) |  |  | (1,350 | )
Total |  | $ | (7,977 | ) |  | $ | (5,924 | )
Schedule of components of (provision) for income taxes |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Current: |  |  |  |  |  |  |  |
Federal |  | $ | 373 |  |  | $ | 6,543 |
State |  |  | (9 | ) |  |  | (36 | )
Foreign |  |  | (81 | ) |  |  | (78 | )
Total current |  |  | 283 |  |  |  | 6,429 |
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | 1,326 |  |  |  | (3,104 | )
State |  |  | 398 |  |  |  | 286 |
Foreign |  |  | 302 |  |  |  | 216 |
Total |  |  | 2,026 |  |  |  | (2,602 | )
Change in valuation allowance |  |  | (2,026 | ) |  |  | 2,602 |
Total deferred |  |  | — |  |  |  | — |
Tax benefit (provision) |  | $ | 283 |  |  | $ | 6,429 |
Schedule of income tax (provision) differs from that computed at the federal statutory corporate income tax rate |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Tax benefit at federal statutory rate |  | $ | 1,674 |  |  | $ | 1,244 |
State income tax benefit (provision), net of federal benefit |  |  | 335 |  |  |  | 244 |
Research and development tax credits |  |  | 361 |  |  |  | 272 |
Foreign earnings or losses taxed at different rates |  |  | (28 | ) |  |  | (38 | )
Tax rate change, due primarily to loss carryback |  |  | (2 | ) |  |  | 2,720 |
Other |  |  | (31 | ) |  |  | (615 | )
Change in valuation allowance |  |  | (2,026 | ) |  |  | 2,602 |
Tax provision |  | $ | 283 |  |  | $ | 6,429 |
Schedule of tax effects of significant temporary differences representing net deferred tax assets and liabilities |
|  | 2021 |  |  | 2020 |
Deferred revenue |  | $ | 9 |  |  | $ | 21 |
Basis difference in intangible assets |  |  | 1,319 |  |  |  | 2,994 |
Inventory reserve |  |  | 2,377 |  |  |  | 2,434 |
Net operating loss carryforwards |  |  | 7,121 |  |  |  | 3,605 |
Research and development tax credits |  |  | 1,579 |  |  |  | 1,272 |
Accrued expenses |  |  | 43 |  |  |  | 61 |
Stock-based compensation |  |  | 308 |  |  |  | 309 |
Allowance for sales returns and doubtful accounts |  |  | 83 |  |  |  | 128 |
Difference in property and equipment basis |  |  | (124 | ) |  |  | (145 | )
Other |  |  | 469 |  |  |  | 479 |
Total net deferred income tax asset |  |  | 13,184 |  |  |  | 11,158 |
Less: Valuation allowance |  |  | (13,184 | ) |  |  | (11,158 | )
Net deferred income tax asset (liability) |  | $ | — |  |  | $ | — |
Schedule of reconciliation of the beginning and ending amount of liabilities associated with uncertain tax positions |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Balance - beginning of year |  | $ | 861 |  |  | $ | 298 |
Additions based on tax positions related to the current year |  |  | 61 |  |  |  | 661 |
Additions for tax positions of prior years |  |  | — |  |  |  | — |
Reductions for tax positions of prior years |  |  | — |  |  |  | — |
Settlements |  |  | (20 | ) |  |  | (43 | )
Lapse in statutes of limitations |  |  | (7 | ) |  |  | (55 | )
Uncertain tax positions, ending balance |  | $ | 895 |  |  | $ | 861 |

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