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Share-Based Compensation (Details 2) - Employee Stock Option [Member]
12 Months Ended
Dec. 31, 2019
Summary of assumptions used to estimate fair value of stock options granted  
Expected dividend yield 0.00%
Expected volatility 90.00%
Expected life of options 4 years
Minimum [Member]  
Summary of assumptions used to estimate fair value of stock options granted  
Risk-free interest rate 2.40%
Maximum [Member]  
Summary of assumptions used to estimate fair value of stock options granted  
Risk-free interest rate 2.47%