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Other Accrued Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2021
Other Accrued Liabilities [Abstract] |
Other Accrued Liabilities | Other accrued liabilities consist of:
|  | March 31, 2021 |  |  | December 31, 2020 |
Accrued warranty, current |  | $ | 63 |  |  | $ | 87 |
Accrued compensation, including commissions and vacation |  |  | 1,491 |  |  |  | 891 |
Accrued state sales, use and other taxes |  |  | 3,150 |  |  |  | 3,105 |
Accrued professional fees and other accrued liabilities |  |  | 582 |  |  |  | 607 |
Total other accrued liabilities |  | $ | 5,286 |  |  | $ | 4,690 |
Accrued Warranty Costs Activity | The activity in the warranty accrual during the three months ended March 31, 2021 and, 2020, is summarized as follows:
|  | Three Months Ended, March 31, |
|  | 2021 |  |  | 2020 |
Accrual at beginning of period |  | $ | 113 |  |  | $ | 232 |
Additions charged to warranty expense |  |  | 4 |  |  |  | 3 |
Expiring warranties/claimed satisfied |  |  | (32 | ) |  |  | (54 | )
Total |  |  | 85 |  |  |  | 181 |
Less: current portion |  |  | (63 | ) |  |  | (143 | )
Total long-term accrued warranty costs |  | $ | 22 |  |  | $ | 38 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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