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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2021
Accounting Policies [Abstract] |
Schedule of credit and concentration risks |
|  | Percentage of Sales |
Customer |  | June 30, 2021 |  |  | June 30, 2020 |
|  | (Unaudited) |  |  | (Unaudited) |
1 |  |  | 41.3 | % |  |  | 33.3 | %
2 |  |  | 20.8 | % |  |  | 38.6 | %
3 |  |  | 14.1 | % |  |  | * |
|  | Percentage of Sales |
Customer |  | June 30, 2021 |  |  | June 30, 2020 |
|  | (Unaudited) |  |  | (Unaudited) |
1 |  |  | 34.4 | % |  |  | 32.2 | %
2 |  |  | 26.9 | % |  |  | 37.1 | %
3 |  |  | 15.7 | % |  |  | * |
|  | Percentage of Receivables |
Customer |  | June 30, 2021 |  |  | December 31, 2020 |
|  | (Unaudited) |  |  |  |
1 |  |  | 60.4 | % |  |  | 57.1 | %
2 |  |  | 12.6 | % |  |  | * |
3 |  |  | 12.0 | % |  |  | 12.0 | %
4 |  |  | ** |  |  |  | 11.2 | %
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
|  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |
Net income (Loss) per condensed consolidated statements of operations |  | $ | 239,000 |  |  | $ | (1,584,000 | ) |  | $ | 87,000 |  |  | $ | (526,000 | )
Add: Convertible Note Interest for Potential Note Conversion |  |  | 77,000 |  |  |  | - |  |  |  | 155,000 |  |  |  |  |
Income (loss) used to calculate diluted earnings per share |  | $ | 316,000 |  |  | $ | (1,584,000 | ) |  | $ | 242,000 |  |  | $ | (526,000 | )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
|  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |
Weighted average shares outstanding used to compute basic |  |  |  |  |  |  |  |  |  |  |  |
earnings per share |  |  | 32,021,522 |  |  |  | 30,552,147 |  |  |  | 31,996,859 |  |  |  | 30,476,289 |
Effect of dilutive stock options and warrants |  |  | 1,912,500 |  |  |  | - |  |  |  | 2,750,500 |  |  |  | - |
Effect of dilutive convertible notes payable |  |  | 4,057,892 |  |  |  | - |  |  |  | 4,057,892 |  |  |  | - |
Weighted average shares outstanding and dilutive securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
used to compute dilutive earnings per share |  |  | 37,991,914 |  |  |  | 30,552,147 |  |  |  | 38,805,251 |  |  |  | 30,476,289 |
Schedule of anti-dilutive securities |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |  |  | June 30, 2021 |  |  | June 30, 2020 |
|  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |
Stock options |  |  | 456,000 |  |  |  | 216,000 |  |  |  | 98,000 |  |  |  | 216,000 |
Warrants |  |  | 1,903,000 |  |  |  | 1,423,000 |  |  |  | 1,423,000 |  |  |  | 1,423,000 |
|  |  | 2,359,000 |  |  |  | 1,639,000 |  |  |  | 1,521,000 |  |  |  | 1,639,000 |
|  | Three and Six Months Ended |
|  | June 30, 2021 |  |  | June 30, 2020 |
|  | (Unaudited) |  |  | (Unaudited) |
Stock options |  |  | - |  |  |  | 1,696,000 |
Warrants |  |  | - |  |  |  | 760,000 |
Convertible notes payable |  |  | - |  |  |  | 5,045,000 |
|  |  | - |  |  |  | 7,501,000 |

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