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Stockholders' Equity (Details) - USD ($) |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 15, 2020 | Jun. 26, 2019 | Jan. 31, 2020 | Mar. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Stockholders' Equity (Textual) |  |  |  |  |  |
Issuance of common stock, shares |  | 37,500 | 419,597 |  |  |
Issuance of common stock |  |  | $ 984,000 |  | $ 984,000 | $ 186,000
Costs of sales | $ 145,000 |  |  |  |  |
Conversion of notes payable |  |  |  |  |  | 180,000
Subordinated debt |  |  |  |  | 2,589,000 |
Directors’ fees |  |  |  |  | $ 211,000 | $ 244,000
Subsequent Event [Member] |  |  |  |  |  |
Stockholders' Equity (Textual) |  |  |  |  |  |
Issuance of common stock, shares |  |  |  | 41,960 |  |
Exercise of stock options |  |  |  | 51,224 |  |
Directors’ fees |  |  |  | $ 52,000 |  |
Director [Member] |  |  |  |  |  |
Stockholders' Equity (Textual) |  |  |  |  |  |
Issuance of common stock, shares |  |  |  |  | 1,830,631 | 50,000
Issuance of common stock |  |  |  |  |  | $ 424,805
Common stock issued for directors fees, shares |  |  |  |  | 178,405 | 257,602
Exercise of stock options |  |  |  |  |  | 2,778

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