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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2018
Valuation And Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS
(In thousands) |  | Balance at Beginning of Period |  |  | Charged to Costs & Expenses |  |  | Deductions |  |  | Balance at End of Period |
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts |  | $ | — |  |  |  | 128 |  |  |  | — |  |  | $ | 128 |
Inventory Reserve |  | $ | 23,355 |  |  |  | 7,006 |  |  |  | 352 |  |  | $ | 30,009 |
Warranty Liability |  | $ | 9,724 |  |  |  | 7,392 |  |  |  | 8,493 |  |  | $ | 8,623 |
Deferred Tax Asset Valuation Allowance |  | $ | 6,006 |  |  |  | — |  |  |  | 190 |  |  | $ | 5,816 |
Year ended December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts |  | $ | — |  |  |  | — |  |  |  | — |  |  | $ | — |
Inventory Reserve |  | $ | 25,249 |  |  |  | 6,406 |  |  |  | 8,300 |  |  | $ | 23,355 |
Warranty Liability |  | $ | 8,548 |  |  |  | 6,951 |  |  |  | 5,775 |  |  | $ | 9,724 |
Deferred Tax Asset Valuation Allowance |  | $ | 6,149 |  |  |  | 18 |  |  |  | 161 |  |  | $ | 6,006 |
Year ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts |  | $ | 19 |  |  |  | — |  |  |  | 19 |  |  | $ | — |
Inventory Reserve |  | $ | 26,675 |  |  |  | 3,303 |  |  |  | 4,729 |  |  | $ | 25,249 |
Warranty Liability |  | $ | 8,739 |  |  |  | 8,561 |  |  |  | 8,752 |  |  | $ | 8,548 |
Deferred Tax Asset Valuation Allowance |  | $ | 7,250 |  |  |  | 69 |  |  |  | 1,170 |  |  | $ | 6,149 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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