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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2018
Schedule II - Valuation and Qualifying Accounts |
Schedule II - Valuation and Qualifying Accounts | Schedule II — Valuation and Qualifying Accounts
|  |  |  |  | Additions |  |  |  |  |  |
|  |  |  |  | Charged |  |  |  |  |  |  |  |  |
|  | Balance at |  | (Credited) |  | Charged to |  |  |  |  | Balance at
|  | Beginning |  | to Costs and |  | Other |  |  |  |  | End of
Deducted from asset accounts: |  | of Period |  | Expenses |  | Accounts |  | Deductions |  | Period
|  | (in thousands)
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 270 |  | $ | — |  | $ | — |  | $ | — |  | $ | 270
Valuation allowance in net deferred tax assets |  |  | 100,456 |  |  | 14,499 |  |  | — |  |  | — |  |  | 114,955
|  | $ | 100,726 |  | $ | 14,499 |  | $ | — |  | $ | — |  | $ | 115,225
Year ended December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 286 |  | $ | 99 |  | $ | — |  | $ | (115) |  | $ | 270
Valuation allowance in net deferred tax assets |  |  | 104,744 |  |  | (49,589) |  |  | 45,301 |  |  | — |  |  | 100,456
|  | $ | 105,030 |  | $ | (49,490) |  | $ | 45,301 |  | $ | (115) |  | $ | 100,726
Year ended December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 206 |  | $ | 171 |  | $ | — |  | $ | (91) |  | $ | 286
Valuation allowance in net deferred tax assets |  |  | 54,200 |  |  | 50,544 |  |  | — |  |  | — |  |  | 104,744
|  | $ | 54,406 |  | $ | 50,715 |  | $ | — |  | $ | (91) |  | $ | 105,030

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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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