Fair value measurements (Tables)

9 Months Ended

Sep. 30, 2022

Fair value measurements (Tables)

Assets and liabilities measured at fair value

	September 30, 2022						December 31, 2021
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Marketable securities (Note 4)	$	6,404,567					$	9,618,743
Liabilities:
Derivative liabilities (Note 12)			$	11,773,452					$	-
Contingent consideration					$	3,513,132					$	-

Reconciliation of changes in fair value

Contingent consideration liability:
Balance at December 31, 2021	$	-
Initial estimate upon acquisition		79,575
Remeasurement		3,433,557
Balance at September 30, 2022	$	3,513,132