Selling and marketing expenses (Tables)

12 Months Ended

Dec. 31, 2021

Selling and marketing expenses

Schedule of selling and marketing expenses

	2021	2020	2019
Advertising costs	(266,906)	(164,929)	(81,814)
Employee benefits expenses	(3,261)	(827)	(366)
	(270,167)	(165,756)	(82,180)