STOCKHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2020

A summary of Stock-based compensation expense recognized is presented below:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Stock-based compensation	$	(7,665)	$	83,175	$	74,279	$	196,254

Common Share Equivalent Excluded from Calculation of Dilutive Loss Per Share

The following table summarizes the Company’s securities, in common share equivalents, that have been excluded from the calculation of dilutive loss per share as their effect would be anti-dilutive:

	As of June 30,
	2020		2019
Preferred stock		201,501,000,000		201,501,000,000
Stock options		68,062,000,000		68,012,000,000
Warrants		36,460,000,000		41,579,000,000
Total		306,023,000,000		311,092,000,000