Cash, Cash Equivalents, Restricted Cash and Marketable Securities (Details Narrative) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Dec. 31, 2019 |
|
| Cash and Cash Equivalents [Abstract] | |||||
| Marketable securities, unrealized loss | $ 42,000.0 | $ 42,000.0 | |||
| Marketable securities, unrealized gain | 481,300 | 481,300 | |||
| Marketable securities, unrealized gain loss | $ 0 | $ 0 | |||
| Accumulated unrealized gain | $ 477,700 | $ 477,700 | |||
| Accumulated unrealized loss | $ 900 | ||||
| X | ||||||||||
- Definition Accumulated unrealized gain. No definition available.
|
| X | ||||||||||
- Definition Accumulated unrealized loss No definition available.
|
| X | ||||||||||
- Definition Marketable securities unrealized loss. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). No definition available.
|
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|