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Reserves (Tables) | 12 Months Ended
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Mar. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts | Asset reserves and allowances for years ended March 31, 2019 and 2018 are presented in the following table:
|  | Balance at |  |  | Charged to |  |  | Reduction to |  |  | Credited to |  |  | Balance at |
|  | Beginning of |  |  | Costs and |  |  | Allowance for |  |  | Costs and |  |  | End of |
Description |  | Year |  |  | Expenses |  |  | Write off |  |  | Expenses |  |  | Year |
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 |
Year ended March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves deducted from assets to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 132,583 |  |  | $ | 3,224,684 |  |  | $ | (3,254,158 | ) |  | $ | (21,007 | ) |  | $ | 82,102 |
Inventory reserve |  | $ | 700,000 |  |  | $ | 150,000 |  |  | $ | (424,688 | ) |  | $ | (145,312 | ) |  | $ | 280,000 |

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