Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table sets forth the potentially dilutive securities excluded from the computation of diluted net loss per share because such securities have an anti-dilutive impact due to losses reported:

	2017			2016
Options to purchase common stock		9,625,000			2,644,000
Convertible preferred stock		4,828,530			3,143,530
Convertible debentures		-			2,042,076
Warrants to purchase common stock		5,905,000			1,405,000
Common stock subject to repurchase		(507,079	)		(507,079	)
Potential shares excluded from diluted net loss per share		19,851,451			9,280,527