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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
(in thousands)

  Additions 
 Balance at
Beginning of
Year
Charged to
Costs and
Expenses
Charged to
other
Accounts
DeductionsBalance at
End of Year
Year Ended December 31, 2019     
Deducted from asset accounts:   
Allowance for doubtful accounts$770 82 — (144)$708 
Allowance for obsolete inventories$524 986 — (636)$874 
Valuation allowance for deferred tax assets$12,793 (418)— — $12,375 
Included in accrued expenses:    
Reserve for sales returns$76 1,068 — (1,076)$68 
Year Ended December 31, 2020     
Deducted from asset accounts:     
Allowance for doubtful accounts$708 208 — (99)$817 
Allowance for obsolete inventories$874 506 — (909)$471 
Valuation allowance for deferred tax assets$12,375 (442)— — $11,933 
Included in accrued expenses:    
Reserve for sales returns$68 1,033 — (1,030)$71