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Accrued product warranty liability | 9 Months Ended
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Sep. 30, 2021
Accrued product warranty liability [Abstract] |
Accrued product warranty liability | 5. Accrued product warranty liability We generally provide hardware warranties on our products for up to 24 months and record the estimated cost of such product warranties at the time the sale is recorded. Estimated warranty costs are based upon actual past experience of product repairs and the related estimated cost of labor and material to make the necessary repairs. The following table summarizes the activity recorded in the accrued product warranty liability during the nine months ended September 30, 2021 and 2020:
|  | Nine Months Ended |
|  | September 30, |
|  | 2021 |  |  | 2020 |
|  | (In thousands) |
Balance, beginning of period |  | $ | 140 |  |  | $ | 215 |
Warranties issued |  |  | 39 |  |  |  | 53 |
Warranty settlements |  |  | (70 | ) |  |  | (107 | )
Balance, end of period |  | $ | 109 |  |  | $ | 161 |
As of September 30, 2021, $88 thousand of the accrued product warranty liability was classified as current in “Accrued liabilities” in the Condensed Consolidated Balance Sheets and the remaining $21 thousand was classified as non-current in “Other liabilities”.

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- References No definition available. + Details
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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -URI http://asc.fasb.org/topic&trid=2155896 + Details
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