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Stock-Based Compensation (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 31, 2018 | Mar. 31, 2021 | Dec. 31, 2018 | Dec. 31, 2020
2010 Stock Option Plan [Member] |  |  |  |
Common stock, shares authorized |  |  |  | 5,200,000
2010 Stock Option Plan [Member] | Employees and Consultants [Member] |  |  |  |
Exercise prices ranging, lower limit |  |  | $ 2.30 |
Exercise prices ranging, upper limit |  |  | $ 3.15 |
Performance-Based Options [Member] |  |  |  |
Option vested |  | 50,000 |  |
Share based compensation expenses |  | $ 106 |  |
Performance-based options outstanding |  |  |  |
Performance-Based Options [Member] | DetermaDx [Member] |  |  |  |
Number of option granted during the period | 125,000 |  |  |
2018 Incentive Plan Activity [Member] |  |  |  |
Number of option granted during the period |  | 2,966,000 |  |
Option vested |  |  |  |
Performance-based options outstanding |  | 9,907,000 |  | 7,212,000
Number of common stock reserved for future issuance |  | 11,000,000 |  |

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