Stockholders' deficit (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Warrants outstanding

A summary of all of the Company’s warrant activity during the period January 1, 2020 to March 31, 2021 is as follows:

	No. of shares			Exercise price per  share		Weighted average exercise price
Outstanding as of January 1, 2020		2,566,101,248			$0.00204 to $0.12	$	0.0044700
Granted		233,333,332			0.0017357		0.0017357
Adjustment due to price protection		152,017,272,726			0.0000324		0.0000324
Forfeited/cancelled		(2,366,666	)		0.0300000		0.0300000
Granted in terms of debt extinguishment		326,286,847			0.000675		0.0006750
Cancelled as part of debt extinguishment		(154,300,675,861	)		0.0000324		0.0000324
Exercised		(224,390,247	)		0.0004		0.0004000
Outstanding as of December 31, 2020		615,561,379			$0.000675 to $0.12		0.0113796
Granted		377,575,761			$0.0020500		0.0020500
Forfeited/cancelled		—			—		—
Exercised		(66,666,666	)		$0.0015000		$0.001500
Outstanding as of March 31, 2021		926,470,474			$0.000675 to $0.12	$	$0.0082883

The warrants were valued using a Black Scholes pricing model on the date of grant at $1,565,487 using the following weighted average assumptions: 

	Three months ended March 31, 2021
Calculated stock price		$0.00205
Risk free interest rate		0.36 to 0.59	%
Expected life of warrants		60 months
expected volatility of underlying stock		226.2 to 231.3	%
Expected dividend rate		0	%

The following table summarizes information about warrants outstanding at March 31, 2021:

	Warrants outstanding						Warrants exercisable
Exercise price	No. of shares		Weighted average remaining years		Weighted average exercise price		No. of shares		Weighted average exercise price
$0.000675		326,286,847		4.28				326,286,847
$0.03000		3,703,700		0.04				3,703,700
$0.00150		66,666,666		437				66,666,666
$0.00205		477,575,761		4.73				477,575,761
$0.12		52,237,500		0.64				52,237,500
		926,470,474		4.30	$	0.0082883		926,470,474	$	0.0082883