Description

Balance at Beginning of Year

Charged to Costs and Expenses

Reduction to Allowance for Write off

Credited to Costs and Expenses

Balance at End of Year

Year ended March 31, 2021

Reserves deducted from assets to which they apply:

Allowance for doubtful accounts

$

138,580

$

(5,086

)

$

(10,944

)

$

-

$

122,550

Inventory reserve

$

636,339

$

351,661

$

(623,553

)

$

-

$

364,447

Year ended March 31, 2020

Reserves deducted from assets to which they apply:

Allowance for doubtful accounts

$

337,461

$

16,086

$

(227,184

)

$

12,217

$

138,580

Inventory reserve

$

434,000

$

688,200

$

(485,861

)

$

-

$

636,339