Share-based compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based compensation

Schedule of company's stock option plan

A summary of the activity for stock options issued under the Company’s Plans for the indicated periods is presented below:

		Weighted
		Average
		Exercise
Stock Option Plan Totals	Shares	Price
Outstanding at December 31, 2020	5,329,515	$	1.06
-Cancelled	(133,257)	$	2.02
-Exercised	(3,076,489)	$	1.16
-Granted (1)	484,254	$	1.82
Outstanding at December 31, 2021	2,604,023	$	1.03
-Exercised	(211,809)	$	1.24
-Granted	338,482	$	3.81
Outstanding at March 31, 2022, unaudited	2,730,696	$	1.36

(1)Options to purchase 463,754 shares were granted in 2021, all of which were vested immediately in 2021. In addition, 20,500 stock appreciation rights were granted in December 2021 with a six- month vesting period.

Schedule of weighted average contractual life and exercise price

The following is the weighted average contractual life in years and the weighted average exercise price at March 31, 2022 of:

		Weighted
		Average		Weighted
		Remaining		Average
	Number of	Contractual		Exercise
	Options	Life		Price
Options outstanding and vested	2,540,956	5.8	years	$	1.17