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v3.20.1

Fair Value Measurement - Schedule of Financial Assets Measured at Fair Value (10-K) (Details) - USD ($) | Mar. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Warrant liability |  |  | $ 4,189,388
Contingent consideration |  |  | 605,223
Total |  |  | 4,794,611
Fair Value, Inputs, Level 1 [Member] |  |  |
Warrant liability |  |  |
Contingent consideration |  |  |
Total |  |  |
Fair Value, Inputs, Level 2 [Member] |  |  |
Warrant liability |  |  |
Contingent consideration |  |  |
Total |  |  |
Fair Value, Inputs, Level 3 [Member] |  |  |
Warrant liability |  |  | 4,189,388
Contingent consideration |  |  | 605,223
Total |  |  | $ 4,794,611

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