Stock Options - Schedule of Share-based Compensation Valuation of Assumptions (Details) - $ / shares
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Exercise Price $ 2.50 $ 2.50
Expected volatility 62.00% 61.00%
Expected dividends 0.00% 0.00%
Expected term (in years) 5 years 8 months 12 days 6 years 1 month 6 days
Risk-free interest rate 2.60% 2.80%