CAPITAL STOCK AND ADDITIONAL PAID IN CAPITAL (Details)	6 Months Ended			12 Months Ended
	Jun. 30, 2021 $ / shares shares	Jun. 30, 2021 $ / shares shares	Jun. 30, 2020 $ / shares shares	Dec. 31, 2020 $ / shares shares
Shareholders' Deficiency
Number of stock options outstanding, beginning	35,100,000	35,100,000	34,610,000	34,610,000
Number of stock options granted	6,175,000	6,175,000	8,525,000	14,425,000
Number of stock options exercised	(2,240,000)	(2,240,000)		(1,550,000)
Number of stock options expired	(2,035,000)	(2,035,000)		(12,385,000)
Number of stock options outstanding, ending	37,000,000	37,000,000		35,100,000
Weighted average exercise price of stock options outstanding, beginning | $ / shares	$ 0.17		$ 0.19	$ 0.19
Weighted average exercise price of stock options granted | (per share)		$ 0.18		0.10
Weighted average exercise price of stock options exercised | $ / shares	0.13			0.12
Weighted average exercise price of stock options expired | $ / shares	0.13			0.14
Weighted average exercise price of stock options outstanding, ending | $ / shares	$ 0.18			$ 0.17
Number currently exercisable	37,000,000	37,000,000
Weighted average exercise price, Number currently exercisable | $ / shares		$ 0.18