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The components of inventory consisted of the following: (Details) - USD ($) | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
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Inventory Disclosure [Abstract] |  |  |  |  |
Raw materials | $ 2,218,981 |  |  |  | $ 1,249,191
Work in progress | 2,645,548 |  |  |  | 2,056,084
Finished goods (Includes completed components) | 4,251,982 |  |  |  | 4,427,696
Gross inventory | 9,116,511 |  |  |  | 7,732,971
Inventory reserves | (2,730,222) |  |  |  | (2,826,718)
Inventory, net | $ 6,386,288 | $ 6,552,664 | $ 5,705,853 | $ 5,492,683 | $ 4,906,253

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