SHAREHOLDERS' EQUITY (Tables)

3 Months Ended

Mar. 31, 2023

SHAREHOLDERS' EQUITY

Schedule of significant assumptions used to estimate fair value

	Three Months Ended March 31,
	2023		2022
Risk-free interest rate	1.54	%	1.71	%
Expected volatility	123	%	135-144	%
Expected dividend yield	Nil		Nil
Expected term in years	8		8

Schedule of stock option activity

	Three Months Ended March 31,
	2023			2022
		Weighted			Weighted
		Average			Average
	Number of Stock	Exercise		Number of Stock	Exercise
	Options	Price		Options	Price
Outstanding, beginning of period	4,160,000	$	1.26	2,180,000	$	1.18
Granted	1,020,000	$	0.38	1,830,000	$	1.40
Outstanding, end of period	5,180,000	$	1.08	4,010,000	$	1.28
Exercisable, end of period	3,826,250	$	1.31	1,752,500	$	0.92
Non-vested, end of period	1,353,750	$	0.44	2,257,500	$	1.56

Schedule of intrinsic value and weighted average remaining life for stock options

			Weighted
			Average
			Remaining
As of March 31, 2023:		Intrinsic Value	Life (Years)
Stock options outstanding	$	110	7.2
Stock options exercisable	$	110	6.3
Stock options non-vested	$	—	9.7