Charged

Charged

to Other

Balance at

(Credited)

Accounts -

Beginning of

to Statement

Liabilities

Deductions,

Balance at

Year

of Operation

and Equity

Net

End of Year

Valuation allowances for deferred tax assets

Year ended December 31, 2022

$

409,810

$

68,159

$

—

$

—

$

477,969

Year ended December 31, 2021

$

337,824

$

71,986

$

—

$

—

$

409,810

Year ended December 31, 2020

$

213,847

$

123,977

$

—

$

—

$

337,824

Allowances for rebates, discounts and adjustments

Year ended December 31, 2022

$

14,443

$

39,082

$

1,050

$

(53,226

)

$

1,349

Year ended December 31, 2021

$

548

$

44,258

$

(734

)

$

(29,629

)

$

14,443

Year ended December 31, 2020

$

1,102

$

16,497

$

(14,867

)

$

(2,184

)

$

548