Stock options (Tables)

12 Months Ended

Dec. 31, 2019

Stock options

Stock option and warrant activity

			Weighted Average
	Options		Exercise Price
Outstanding at End of Year 2017		1,154,167	$	.21
Granted		—
Cancelled or Exercised		1,150,000	$	.21
Outstanding at End of Year 2018		4,167	$	3.12
Granted		5,000,000		.33
Expired		—
Outstanding at End of Year 2019		5,004,167	$	.33

Option and Warrats

	Options Outstanding		Options Exercisable
		Weighted
		Average	Weighted		Weighted
Range of	Number	Remaining	Average	Number	Average
Exercise	Outstanding	Contractual	Exercise	Exercisable	Exercise
Prices	at 12/31/19	Life	Price	at 12/31/19	Price
$.33 to $3.12	5,004,167	9.25 years	$.33	2,504,167	$.33