Description of Business and Summary of Significant Accounting Policies (Details) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	63,056,977	30,836,932	14,871,638
Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	7,236,101	5,174,592	5,906,886
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	55,820,876	25,662,340	8,964,752