Stockholders' deficit (Tables)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Warrants outstanding

	Nine months ended September 30, 2018
Calculated stock price	0.06 to 0.08
Risk free interest rate	2.64 to 2.89%
Expected life of warrants (years)	3 to 5 years
expected volatility of underlying stock	198.8 to 203.2%
Expected dividend rate	0%

 The movements in warrants is summarized as follows: 

	No. of shares		Exercise price per share		Weighted average exercise price
Outstanding January 1, 2017		19,637,409		$0.0033 to $.0.03	$	0.0033
Granted		29,866,666		$0.03 to $0.10		0.0945
Exercised		—		—		—
Outstanding December 31, 2017		49,504,075		$0.0033 to $.0.03		0.0033
Granted		36,833,333		$0.10 to $0.12		0.11
Forfeited/cancelled		—		—		—
Exercised		—		—		—
Outstanding September 30, 2018		86,337,408		$0.033 to $0.12	$	0.0870

The following table summarizes information about warrants outstanding at September 30, 2018: 

	Warrants outstanding				Warrants exercisable
Exercise price	No. of shares	Weighted average remaining years		Weighted average exercise price	No. of shares		Weighted average exercise price
$0.0033	300,000	*			300,000
$0.03	21,704,075	1.50			21,704,075
$0.10	43,083,333	4.30			43,083,333
$0.12	21,250,000	2.70			21,250,000
	86,337,408	3.19	$	0.87	86,337,408	$	0.87

Options Outstanding

	Options outstanding				Options exercisable
Exercise price	No. of shares	Weighted average remaining years		Weighted average exercise price	No. of shares		Weighted average exercise price
$0.12	480,000	1.08			480,000
	480,000	1.08	$	0.12	480,000	$	0.12