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Warranty Liability (Tables) | 3 Months Ended
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Mar. 31, 2019
Guarantees And Product Warranties [Abstract] |
Schedule of Warranty Liability Included in Accrued Expenses on Condensed Consolidated Balance Sheet | The table below sets forth the activity in the warranty liability, which is included in accrued expenses on the condensed consolidated balance sheet, for the three months ended March 31, 2019 and 2018:
Balance, January 1, 2019 |  | $ | 1,103 |
Additions |  |  | 442 |
Cost of warranty claims |  |  | (352 | )
Balance, March 31, 2019 |  | $ | 1,193 |
Balance, January 1, 2018 |  | $ | 1,742 |
Additions |  |  | 121 |
Cost of warranty claims |  |  | (372 | )
Balance, March 31, 2018 |  | $ | 1,491 |

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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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