STOCK BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2019

STOCK BASED COMPENSATION

Summary of Stock option activity

Number of options outstanding:
Beginning of year		5,901,678
Granted		1,325,000
Exercised, converted		-
Forfeited / exchanged / modification		(287,500	)
June 30, 2019		6,939,178
Number of options exercisable at end of period		2,695,994
Number of options available for grant at end of period		1,060,328
Weighted average option prices per share:
Granted during the period	$	0.61
Exercised during the period		-
Terminated during the period	$	0.38
Outstanding at end of the period	$	0.44
Exercisable at end of year	$	0.38

Schedule of Stock Options, Valuation Assumptions

	June 30, 2019			June 30, 2018
Expected option life (years)		6.5			6.5
Expected stock price volatility		137-145	%		51-135	%
Expected dividend yield		—	%		—	%
Risk-free interest rate		2.40-2.90	%		2.00	%