Common shares (Tables)

12 Months Ended

Dec. 31, 2021

Common shares.

Reconciliation of common shares outstanding

		Total
	Number	amount
December 31, 2018	9,504,875	$	26,882,622
Common share issuances:
Public offering	805,000		8,720,540
Private placement	1,076,800		11,883,667
Acquisition purchase price consideration	286,347		2,611,044
Option exercise	10,667		87,883
December 31, 2019	11,683,689	$	50,185,756
Common share issuances:
Public offering	1,818,788		9,943,886
December 31, 2020	13,502,477		60,129,642
Common share issuances:
Settlement of contingent consideration in shares	231,011		3,095,799
Private placement	2,353,347		23,221,195
Public offering	1,707,750		11,886,677
Exercise of stock options	5,500		46,875
Exercise of broker warrants	1,800		28,729
December 31, 2021	17,801,885	$	98,408,917