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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2020
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, 2020

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Allowance for Doubtful Accounts

 

$

38

 

 

 

—

 

 

 

—

 

 

$

38

 

Inventory Reserve

 

$

34,162

 

 

 

11,404

 

 

 

6,005

 

 

$

39,561

 

Warranty Liability

 

$

8,394

 

 

 

1,538

 

 

 

2,786

 

 

$

7,146

 

Deferred Tax Asset Valuation Allowance

 

$

48,616

 

 

 

5,120

 

 

 

7,918

 

 

$

45,818

 

Year ended December 31, 2019

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Allowance for Doubtful Accounts

 

$

128

 

 

 

38

 

 

 

128

 

 

$

38

 

Inventory Reserve

 

$

30,009

 

 

 

5,893

 

 

 

1,740

 

 

$

34,162

 

Warranty Liability

 

$

8,623

 

 

 

4,569

 

 

 

4,798

 

 

$

8,394

 

Deferred Tax Asset Valuation Allowance

 

$

5,816

 

 

 

43,560

 

 

 

760

 

 

$

48,616

 

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