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Stock Plans, Share-Based Payments and Warrants - Schedule of Fair Value Assumptions (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Stock Price Volatility 92.42% 104.56%
Risk-Free Interest Rates 2.71% 2.19%
Expected Life (in years) 6 years 1 month 24 days 6 years 1 month 9 days
Expected Dividend Yield 0.00% 0.00%