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Schedule II - Schedule of Valuation and Qualifying Accounts
 12 Months Ended
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)
 
DescriptionBeginning
Balance		Charges to
Revenue/
Expense		DeductionsEnding
Balance
Year ended December 31, 2020
Allowance for doubtful accounts and returns$28 $— $20 $8 
Inventory reserves3,518 — 624 2,894 
Valuation allowance for deferred tax assets14,390 1,973 — 16,363 
Year ended December 31, 2019    
Allowance for doubtful accounts and returns$33 $30 $35 $28 
Inventory reserves4,085 814 1,381 3,518 
Valuation allowance for deferred tax assets12,822 1,568 — 14,390