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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
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Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
SCHEDULE OF DISAGGREGATED NET SALES | The following table shows the Company’s disaggregated net sales by product type: SCHEDULE OF DISAGGREGATED NET SALES
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
|  | Three months ended September 30, |
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
DC power systems |  | $ | 4,023 |  |  | $ | 2,414 |
Engineering & Tech Support Services |  |  | 52 |  |  |  | — |
Accessories |  |  | 61 |  |  |  | 87 |
Total net sales |  | $ | 4,136 |  |  | $ | 2,501 |
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
|  | Nine months ended September 30, |
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
DC power systems |  | $ | 11,884 |  |  | $ | 6,200 |
Engineering & Tech Support Services |  |  | 222 |  |  |  | — |
Accessories |  |  | 167 |  |  |  | 288 |
Total net sales |  | $ | 12,273 |  |  | $ | 6,488 |
The following table shows the Company’s disaggregated net sales by customer type:
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
|  | Three months ended September 30, |
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
Telecommunications |  | $ | 3,524 |  |  | $ | 2,491 |
Government/Military |  |  | 373 |  |  |  | 2 |
Marine |  |  | 30 |  |  |  | 1 |
Other (backup DC power to various industries) |  |  | 209 |  |  |  | 7 |
Total net sales |  | $ | 4,136 |  |  | $ | 2,501 |
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
|  | Nine months ended September 30, |
|  | 2021 (Unaudited) |  |  | 2020 (Unaudited) |
Telecommunications |  | $ | 11,017 |  |  | $ | 6,294 |
Government/Military |  |  | 538 |  |  |  | 9 |
Marine |  |  | 44 |  |  |  | 5 |
Other (backup DC power to various industries) |  |  | 674 |  |  |  | 180 |
Total net sales |  | $ | 12,273 |  |  | $ | 6,488 |
SCHEDULE OF COMPONENTS OF INVENTORIES | As of September 30, 2021, and December 31, 2020, inventories consisted of the following: SCHEDULE OF COMPONENTS OF INVENTORIES
|  | September 30, 2021 |  |  | December 31, 2020 |
|  | (unaudited) |  |  |  |
Raw materials |  | $ | 5,494 |  |  | $ | 5,527 |
Finished goods |  |  | 3,104 |  |  |  | 3,567 |
Total Inventories, net |  | $ | 8,598 |  |  | $ | 9,094 |
SCHEDULE OF RECONCILIATION OF THE PRODUCT WARRANTY LIABILITY | The following is a tabular reconciliation of the product warranty liability, excluding the deferred revenue related to the Company’s warranty coverage: SCHEDULE OF RECONCILIATION OF THE PRODUCT WARRANTY LIABILITY
Changes in estimates for warranties |  | September 30, 2021 |  |  | December 31, 2020 |
|  | (unaudited) |  |  |  |
Balance at beginning of the period |  | $ | 600 |  |  | $ | 375 |
Payments |  |  | (496 | ) |  |  | (634 | )
Provision for warranties |  |  | 496 |  |  |  | 859 |
Balance at end of the period |  | $ | 600 |  |  | $ | 600 |
SCHEDULE OF DILUTED EARNINGS PER SHARE | The following potentially dilutive shares were excluded from the shares used to calculate diluted earnings per share as their inclusion would be anti-dilutive: SCHEDULE OF DILUTED EARNINGS PER SHARE
|  | September 30, 2021 |  |  | September 30, 2020 |
|  | (Unaudited) |  |  | (Unaudited) |
Options |  |  | 140,000 |  |  |  | 140,000 |
Warrants |  |  | 24,122 |  |  |  | 465,000 |
Total |  |  | 164,122 |  |  |  | 605,000 |

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