WARRANT DERIVATIVE LIABILITY (Tables)

9 Months Ended

Sep. 30, 2023

WARRANT DERIVATIVE LIABILITY.

Summary of key assumptions used to determine fair value of warrants

	September 30,			December 31,
	2023			2022
Number of shares underlying the warrants		322,807			322,807
Fair market value of stock	$	0.16		$	0.15
Exercise price	$	0.40		$	0.40
Volatility		90	%		78	%
Risk-free interest rate		5.53	%		3.99	%
Warrant life (years)		0.66			1.41

Summary of the changes in the fair value of the warrant derivative liability

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Beginning balance	$	289	$	29,723	$	5,508	$	28,318
Warrant exercise		—		—		—		—
Change in fair value of warrants derivative liability		2,860		(16,364)		(2,359)		(14,959)
Ending balance	$	3,149	$	13,359	$	3,149	$	13,359