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Nature of Operations (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Mar. 11, 2021 | Dec. 31, 2018
Cash and cash equivalents | $ 2,063 | $ 1,247 |  | $ 973
Working capital | 95 |  |  |
Deferred revenue | 3,214 | 3,004 |  |
Net cash increased during the year ended | 816 | (16) |  |
Net cash provided by operating activities | 464 | (1,221) |  |
Net cash used in investing activities | (101) | (1,115) |  |
Net cash provided by financing activities | 453 | 2,320 |  |
Net proceeds from SBA PPP loan | 421 |  |  |
Cash | 2,063 | $ 1,247 |  |
Corporate [Member] |  |  |  |
Cash and cash equivalents | $ 2,063 |  |  |
Corporate [Member] | Subsequent Event [Member] |  |  |  |
Cash |  |  | $ 1,812,000 |

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