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Guarantees | 9 Months Ended
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Sep. 30, 2020
Guarantees [Abstract] |
Guarantees | Guarantees We provide warranties on certain of our products at the time of sale and sell extended warranties. The standard warranty period for our capital equipment is generally one year and our extended warranties typically vary from one to three years. Liability under warranty policies is based upon a review of historical claim experience. Adjustments are made to accruals as claim data and historical experience warrant. Changes in the liability for standard warranties for the nine months ended September 30, are as follows:
| 2020 |  | 2019
Balance as of January 1, | $ | 2,186 |  |  | $ | 1,585 |
Provision for warranties | 616 |  |  | 1,495 |
Claims made | (932) |  |  | (821) |
Balance as of September 30, | $ | 1,870 |  |  | $ | 2,259 |
Costs associated with extended warranty repairs are recorded as incurred and amounted to $4.4 million and $4.0 million for the nine months ended September 30, 2020 and 2019, respectively.

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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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