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Reserves (Tables) | 12 Months Ended
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Mar. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts | Asset reserves and allowances for years ended March 31, 2020 and 2019 are presented in the following table:
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, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves deducted from assets to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 51,096 |  |  | $ | 303,843 |  |  | $ | (15,303 | ) |  | $ | (2,175 | ) |  | $ | 337,461 |
Inventory reserve |  | $ | 254,000 |  |  | $ | 398,730 |  |  | $ | (218,730 | ) |  | $ | - |  |  | $ | 434,000 |
Year ended March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves deducted from assets to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 82,102 |  |  | $ | 411,862 |  |  | $ | (31,200 | ) |  | $ | (411,668 | ) |  | $ | 51,096 |
Inventory reserve |  | $ | 280,000 |  |  | $ | 100,000 |  |  | $ | (44,220 | ) |  | $ | (81,780 | ) |  | $ | 254,000 |

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