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Fair Value of Financial Assets and Liabilities (Details Narrative) - Hoth [Member]
12 Months Ended
Dec. 31, 2018
$ / shares
Price per share, low range $ 5.50
Price per share, high range $ 6.50
Percentage of probability, low end 10.00%
Percentage of probability, high end 90.00%
Risk-adjusted discount rate 15.00%