Description

Balance at

Beginning

of Period

Charged to

Costs and

Expenses

Deductions

Balance at

End of

Period

Year ended December 31, 2021:

Allowance for doubtful accounts
(deducted from accounts receivable)

5,033,035

(1,248,394

)

2,064,164

1,720,477

Valuation allowance for deferred tax assets

308,140

—

3,097

305,043

Year ended December 31, 2022:

Allowance for doubtful accounts
(deducted from accounts receivable)

1,720,477

1,108,840

952,566

1,876,751

Valuation allowance for deferred tax assets

305,043

—

5,121

299,922