Basic and diluted loss per share (Tables)

12 Months Ended

Dec. 31, 2021

Basic and diluted loss per share

Earnings per share calculation

	December 31,		December 31,		December 31,
	2021		2020		2019
Net loss attributable to the common shareholders of:
Greenbrook TMS	$	(24,751,487)	$	(29,663,540)	$	(15,909,879)
Weighted average common shares outstanding:
Basic and diluted		15,423,870		12,799,876		10,765,719
Loss per share:
Basic and diluted	$	(1.60)	$	(2.32)	$	(1.48)