9. Stockholders' deficit (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Warrants outstanding

	Number of warrants outstanding			Weighted average exercise price per share
Outstanding at January 1, 2015		6,300,000		$	0.143
Granted		—			—
Cancelled/forfeited		—			—
Exercised		—			—
Outstanding at December 31, 2015		6,300,000			0.143
Granted		3,703,700			0.030
Cancelled/forfeited		(4,500,000	)		0.150
Exercised		—			—
Outstanding at June 30, 2016	$	5,503,700		$	0.041

Exercise Price		Number of warrants		Weighted average remaining life		Weighted average exercise price
$	0.003		300,000		*	$	0.003
$	0.030		3,703,700		4,79		0.030
$	0.150		1,500,000		0.47		0.150
			5,503,700		3.35	$	0.041

Options Outstanding

Exercise Price	Number of options outstanding	Number of options exercisable	Weighted average remaining life		Weighted average exercise price
$0.12	480,000	400,000	3.34	$	0.12