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Share-Based Compensation (Details) - Stock Options [Member] - $ / shares
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Weighted-average risk-free interest rates 2.30% 2.90%
Dividend yield 0.00% 0.00%
Weighted-average expected life of the option 7 years 7 years
Weighted-average expected stock price volatility 94.00% 94.00%
Weighted-average fair value of the options granted $ 0.64 $ 0.64