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Schedule II - Schedule of Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Schedule of Valuation and Qualifying Accounts | SCHEDULE II ENERGY FOCUS, INC. SCHEDULE OF VALUATION AND QUALIFYING ACCOUNTS (amounts in thousands)
Description |  | Beginning Balance |  | Charges to Revenue/ Expense |  | Deductions |  | Ending Balance
Year ended December 31, 2020 |  |  |  |  |  |  |  |
Allowance for doubtful accounts and returns |  | $ | 28 |  |  | $ | — |  |  | $ | 20 |  |  | $ | 8 |
Inventory reserves |  | 3,518 |  |  | — |  |  | 624 |  |  | 2,894 |
Valuation allowance for deferred tax assets |  | 14,390 |  |  | 1,973 |  |  | — |  |  | 16,363 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |
Allowance for doubtful accounts and returns |  | $ | 33 |  |  | $ | 30 |  |  | $ | 35 |  |  | $ | 28 |
Inventory reserves |  | 4,085 |  |  | 814 |  |  | 1,381 |  |  | 3,518 |
Valuation allowance for deferred tax assets |  | 12,822 |  |  | 1,568 |  |  | — |  |  | 14,390 |

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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=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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