Cash, Cash Equivalents, Restricted Cash and Marketable Securities (Details Narrative) - USD ($) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
Dec. 31, 2019 |
|
| Cash and Cash Equivalents [Abstract] | |||
| Marketable securities, unrealized gain | $ 523,200 | $ 0 | |
| Accumulated unrealized loss on marketable securities | $ 522,400 | $ 900 | |
| X | ||||||||||
- Definition Accumulated unrealized loss on marketable securities. No definition available.
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| X | ||||||||||
- References No definition available.
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- Definition Amount of unrealized gain (loss) on investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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